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V125BC [204]
4 years ago
9

Which statement best contrasts the respiratory and circulatory systems?

Biology
2 answers:
LiRa [457]4 years ago
8 0
A is the answer for this question
gizmo_the_mogwai [7]4 years ago
6 0

Answer:

A. The respiratory system moves oxygen, while the circulatory system moves blood

Explanation:

The respiratory system includes all the organs necessary for gaseous exchange. They include lungs, trachea, etc. They help in the movement of oxygen into the body and the removal of CO2 out of the body.

The circulatory system AKA the transport system, include the heart , vessels as they pump nutrients and oxygen to all parts of the human body. Removal of CO2 from organs and is the job of the circulatory system including urea, etc .

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Which of the following pieces of evidence would best support the argument that humans are more evolutionarily related to fish th
Phoenix [80]

Answer:

The early stages of embryo development in fish and humans look strikingly similar while insects develop very differently compared to both fish and humans,

Explanation:

It tells you that fish and humans have very similar embryo development (fetus development) while humans and insects develop very differently. Therefore, that supports the argument that humans are more like fish than insects.

5 0
3 years ago
Why does a person have to get a flu shot every year? Why isn't one flu shot for life enough?
AURORKA [14]

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because every year there is a new strain of flu

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Research indicates that as levels of happiness increase, cortisol levels appear to increase as well. Please select the best answ
iogann1982 [59]

Cortisol hormones are stress hormones that increase blood glucose levels. When the level of happiness increases the level of cortisol does not increase.

<h3>What are cortisol and its function?</h3>

Cortisol is the steroidal hormone that is produced in the cortex of the adrenal glands and is discharged in the blood vessels when in stress or danger.

It has a variety of functions including regulation of the blood pressure, response to the stressful condition and increase of the metabolism of the body.

It also acts as happiness hormones along with adrenaline and oxytocin but is a major flight or fight hormone and increases the heart rate in dangerous conditions.

Therefore, the statement is false.

Learn more about cortisol here:

brainly.com/question/26291522

3 0
2 years ago
When blood volume increases to the point that cardiac cells are stretched, the heart releases what natriuretic hormone?
Yuri [45]
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4 years ago
What is the difference between being a night person and a morning person
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A night person is more active and awake at night whilst a morning person is the opposite.

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3 years ago
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