what gas exchange happens in the respiratory system and what is the large blood vessel that carries blood from the heart to the lungs.

Answers

Answer 1

Answer:

Explanation:

The pulmonary artery is a big artery that comes from the heart. It splits into two main branches, and brings blood from the heart to the lungs. At the lungs, the blood picks up oxygen and drops off carbon dioxide. The blood then returns to the heart through the pulmonary veins.


Related Questions

Which of the following is most likely to occur at a convergent boundary?
A. Mountain formation
B. Sea floor spreading
C. Faults
D. Mid-Atlantic rift

Answers

Answer:

A) a mountain formation

Explanation:

Explain what must happen before a cell can divide

Answers

Answer:

the cell must go through mitosis and chromosomes in the nucleus must double

Before a cell divides, the strands of DNA in the nucleus must be copied, checked for errors and then packaged into neat finger-like structures. The cell division stages encompass a complicated process that involves many changes inside the cell.

6. As the lunar cycle progresses from the full moon to new moon the light will appear to _________.

7. The “growing light” that appears during the first half of the lunar cycle is referred to as __________.

8. The ___________ phase occurs at 21 days into the cycle and shows the left half of the moon illuminated.

9. In a crescent stage __________ than half of the Moon appears illuminated and during a gibbous stage __________ than half appears illuminated.

-I know this is asking for a lot but I really don’t know-
-I need the answers asap!-
-thanks in advance!-

Answers

Answer:

6. As the lunar cycle progresses from the full moon to new moon the light will appear to decrease

7. The “growing light” that appears during the first half of the lunar cycle is referred to as waxing.

8. The third quarter / 7th phase occurs at 21 days into the cycle and shows the left half of the moon illuminated.

9. In a crescent stage less than half of the Moon appears illuminated and during a gibbous stage more than half appears illuminated.

Explanation:

The "growing light" that appears during the first half of the lunar cycle is referred to as the "waxing phase" ,the first quarter phase occurs 21 days into the cycle and in the crescent stage, less than half of the moon appears illuminated.

What is the significance of the lunar cycle?

It has much significance and is related to the moon, which is a natural navigation aid for mariners, providing light at night and it has an impact on the life cycles of animals and plants, including breeding and migration, and the gravitational pull of the moon and the sun causes the tides to rise and fall.

Hence, the "growing light" that appears during the first half of the lunar cycle is referred to as the "waxing phase" ,the first quarter phase occurs 21 days into the cycle and in the crescent stage, less than half of the moon appears illuminated.

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at what point in sperm production do you hypothesize that loss of the testis-blood barrier would have an immunological effect on sperm production?

Answers

Answer:

when u do ittttt

Explanation:

Can you help me (only used these terms)

Molecule
Subscript
Element
Solid
Compound
Liquid
Pure substance
Mixture
Vapor (gas)

Answers

Answer:

Subscript- tells how many of each atom there are in a chemical formula

element- a substance containing only one type of atom

solid- a state of matter where particles vibrate and are not free to move

compound- two or more atoms chemically bonded together

liquid- a state of matter in which particles slip past each other

pure substance- all of the smallest individual pieces are the same

mixture- different types of atoms or molecules that are physically mixed together

vapor- a state of matter in which molecules are far apart

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A woman who has had five preganacies tests positive for HIV by Western blot. What is the most likely reason for this result

Answers

Explanation:

Multiparous women often have HLA antibodies. The Western blot antigens are derived from HIV grown in human cell lines having HLA antigens. A cross reaction with HLA antigen(s) in the Western blot could have occurred.

66
Chapter 6 Discussion
nts
This discussion will require you to do an experiment with a friend or a member of your family. This experiment is
suggested by Stanley Coren and his associates to demonstrate Weber's law (Coren, S., Ward, L., & Enns, J.T. (2003)
Sensation and perception (6th edition) New York: Wiley.)
et
You need three quarters, two envelopes, and a pair of shoes (preferrably heavier than a tennis shoe).
1. Place one quarter in one envelope and the remaining two quarters in the other
2. Have the person lift each envelope and tell you which is heavier
3. Have the person go away or turn around, and then place each of the envelopes into separate shoes
4. Have the person lift each shoe and tell you which is heavier
urces
. What were your results?
• Why?
• What was at work here?
• Describe how this principle might impact other areas of our everyday lives.
• Give at least three specific examples.
Respond to at least one other classmate.

Answers

Deeeeeeeeeee e e e e e e e e e e. E e we. De. E e e e ee

This experiment shows that people often associate weight with quality. That is, the heavier it is, the better it is. This experiment proves that this thinking is illogical.

How may this experiment help in business?

Because man is a rational being who is not consistently logical or rational, it  may help to ensure that ones product of good quality and heavier than that of the opposition.

Recall that people often make decisions that are irrational as long as they are happy with it.

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the three steps that are required for dna replication are

Answers

Replication occurs in three major steps: the opening of the double helix and separation of the DNA strands, the priming of the template strand, and the assembly of the new DNA segment.

The three steps that are required for DNA  replication are initiation, elongation and termination.

What is DNA replication ?

The process in which DNA of a cell under go duplication to produce two copies during S-phase of cell cycle called as DNA replication.

It involves 3 steps such as initiation step where the origin of replication of DNA molecule undergo unwinding into two DNA strands.

An incomplete unzipping by forming replication fork is created is catalyzed by the helicase enzyme.

Secondly in elongation step the DNA polymerase enzymes make the complementary sequence against each parent template strand.  

It is an unidirectional, one strand which is synthesized in a continuous manner called leading strand, the strand which is synthesized in a discontinuous manner called lagging strand with Okazaki fragments.

Termination occurs in the last step, when the parent molecule has been completely replicated.

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Bryant Vaughn first worked for United States government as a forensic botanist in 1975, _____ after pollen analysis was first used by Lennart von Post.

Answers

Bryant Vaughn first worked for the USA government as a forensic botanist in 1975, 59 YEARS after pollen analysis was first used by Lennart von Post. L. von Post is considered the father of palynology.

Palynology refers to the discipline that studies plant pollen in both living and fossil forms of life.

Lennart von Post was a naturalist and geologist who is generally regarded as the father of modern palynology.

L. von Post published in 1916 a quantitative analysis of pollen grains entitled “Forest-tree pollen in south-Swedish peat layers”.

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Is DNA replication the same as cell replication? Or are they two different things?

Answers

DNA replication and cell replication both ate different but are connected to each other

in DNA replication the amount of genetic material become double but in cell division a cell divided into two parts and amount of protoplasm and cytoplasm both get half

please help








help help​

Answers

Answer:

m= p+e

Explanation:

if one says that the clearance value of glucose is zero, what does this mean?

Answers

Answer:

Normally all the glucose is reabsorbed so yes thats the answer

Osteoclasts are responsible for which of the following processes?

Osteogenesis
*Resorption
Ossification
Oseogenesis

Answers

Answer:

b. Resorption

Explanation: is correct

Plants obtain energy from
a. soil
c. anabolism
d. fertilizer
b. sunlight

Answers

Answer: B. Sunlight

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Answer:

Sunlight

Explanation:

Plants rely on the energy in sunlight to produce the nutrients they need. But sometimes they absorb more energy than they can use, and that excess can damage critical proteins. To protect themselves, they convert the excess energy into heat and send it back out.

fish is high in omega-3 fatty acids, which are most beneficial for the __________ as mentioned in the video.

Answers

Based on the information given, it should be noted that omega-3 fatty acids is found in fishes and this is essential for the heart.

Omega-3 fatty acids are typically found in seafoods such as fatty fish, she'll fish, crabs, oysters, etc. They are vital on maintaining a healthy body.

It should be noted that omega-3 fatty acids are key to the structure of the cells that we have in our bodies. They're also a source of energy and vital for the heart and lungs.

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What's metamorphism?
A) The process by which new minerals form from existing minerals that become unstable at Earth's surface
B) The process by which new minerals form from existing minerals as a result of elevated temperature or pressure
C) The process by which new minerals form as a result of biological processes in living organisms
D) The process by which new minerals form as a result of precipitation from an aqueous solution

Answers

Answer:

D) The process by which new minerals form as a result of precipitation from an aqueous solution

Mrs. W. is 68 years old and lives alone. She moves very slowly and does not respond verbally to what others say. She sometimes mumbles to herself. Her face is expressionless. She seems confused by her surroundings. She is accompanied by her daughter, who is highly observant and an accurate reporter of Mrs. W.’s past medical and psychosocial history. What possible Noncognitive Disorders could Mrs. W have?

Answers

The non-cognitive disturbances that Mrs. W. could have related to some dementia are psychosis, personality change, lack of rhythm, deficit in emotional responses, mental confusion.

It is important that the patient in these conditions is continuously assisted, to avoid situations that put her safety at risk.

An elderly woman like Mrs. W, who already has significant evolution of non-cognitive disorders, must have an effective medical apparatus and a tutor willing to help with care and daily activities.

Ideally, caregivers should develop optimal communication skills for patients with these disorders, such as a calm and gentle tone, provide the individual with a peaceful environment without too much noise or other disturbances, as well as being considerate and not neglecting the individual's needs.

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what is the thickest and longest nerve in the human body

Answers

Answer:

It's your sciatic nerve.

the words ""antigen"" and ""virus"" are interchangeable.

Answers

Answer:

False

Explanation:

A virus (which is a pathogen) has a lot of antigens on its surface, so they can't be used interchangeably.

To all bug experts, what is this bug?

Answers

Answer:

I think it is an emerald cockroach

identufy the sephers that are inteacting in the following senario a plant carbon dioxide

Answers

Answer:

Increased Production of Photosynthesis

Explanation:

Carbon dioxide make plants more productive because photosynthesis relies on using the sun's energy to synthesise sugar out of carbon dioxide and water so a Carbon interaction with any plant species would alternate in photosynthesis. Plants and ecosystems use the sugar both as an energy source and as the basic building block for growth.

Compare 41 Calories to 410 kcal (1 kcal = 1,000 calories). (1 point)
O 41 Calories is greater than 410 kcal
O 41 Calories is equal to 410 kcal
41 Calories is less than 410 kcal
It is not possible to compare these two values

Answers

From the calculation, we can deduce that 41 Calories is less than 410 kcal.

Given the following data:

Energy in calories = 41 CaloriesEnergy in kcal = 410 kcal

To compare 41 Calories to 410 kcal, we would simply convert the given values to the same base values:

Hence, we would make Calories the base value by converting the value in kcal to Calories as follows:

Conversion:

1000 Calories = 1 kcal

41 Calories = X kcal

Cross-multiplying, we have:

[tex]1000X =41\\\\X=\frac{41}{1000}[/tex]

X = 0.041 kcal.

From the calculation, we can deduce that 41 Calories is less than 410 kcal.

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Answer: 41 Calories is less than 410 kcal

Explanation: I took the test and passed

The microscopic filtering units found in the kidneys that are responsible for urine formation are called

Answers

Answer:

nephrons

Explanation:

there are about one million nephrons in one kidney which are responsible for urine formation

The microscopic filtering units found in the kidneys that are responsible for urine formation are called nephrons, so here the correct option is option a.

Throughout the nephron, various processes such as filtration, reabsorption, and secretion occur to produce urine. Filtration occurs at the glomerulus, where water and small solutes are forced out of the blood into the Bowman's capsule. Reabsorption involves the selective reabsorption of water, ions, and nutrients from the filtrate back into the bloodstream. Secretion involves the active transport of waste products, excess ions, and toxins from the bloodstream into the filtrate. So here, the correct option is option a.

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complete question is below

The microscopic filtering units found in the kidneys that are responsible for urine formation are called

A. nephrons

B. kidney

Individuals joining a population is an example of emigration / immigration​

Answers

Answer:

immigration

Explanation:

The main characteristic of the architecture of all plant-pollinator networks on Earth is ________.

Answers

Answer:

The main characteristic of plant-pollination networks is their nested designs.

what is called renewable energy and nonrenewable energy​

Answers

Answer:

Resources are characterized as renewable or nonrenewable; a renewable resource can replenish itself at the rate it is used, while a nonrenewable resource has a limited supply.

Explanation:

Renewable resources include timber, wind, and solar while nonrenewable resources include coal and natural gas.

Answer:

The type of energy which can be used again and again is called renewable energy.

The energy which cannot be used again and again is called non renewable energy.

which statement concerning rare threatened or endangered species is true

Answers

These species are fully protected by law. When should a hunter begin to get in shape for a hunt?

Plants that we reconize today spend the majority of their life in the “blank”

A) haploid Phase

B) seed phase

C) diploid phase

D) gametophyte

Answers

Answer:

The answer is C diploid Phase

Answer:

The answer is C.

Explanation:

Plants that we reconize today spend the majority of their life in the diploid phase.

During the sporophyte phase, a diploid plant body (one with two sets of chromosomes) develops and finally generates spores via the process of meiosis. Mitotic division of these spores results in the formation of gametophytes, which are gamete-producing organisms that are haploid (have a single pair of chromosomes).

What is Cost ?
[tex] \\ \\ [/tex]

Answers

Answer:

[tex] \: [/tex]

Cost : The expenditure incurred by a producer on the factor as well as non-factor inputs for a given amount of output of a commodity.

In accounting, costs are the monetary value of expenditures for supplies, services, labor, products, equipment and other items purchased for use by a business or other accounting entity.

Explanation:

-,-

Before fossil fuel use became widespread, which of the following did people use for a. energy?
b. wind
c. water
d. animals
e. all of these

Answers

Answer: im not 100% but i think its E all

Explanation:

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