Circulation and Respiration Answers

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1
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The oxygen that circulates through the body in the blood is obtained through

A
exhalation.
B
respiration.
C
systemic circulation.
D
coronary circulation.
2
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What is the circulation system responsible for? Check all that apply.

A
the movement of oxygen through the body
B
regulating brain function
C
the movement of nutrients through the body
D
the removal of carbon dioxide from the body cells
3

What are the three types of circulation? Check all that apply.

A
oxygenated
B
coronary
C
systemic
D
blood pressure
E
pulmonary
4

During pulmonary circulation, what leaves the heart?

A
deoxygenated blood
B
blood pressure
C
oxygenated blood
5

Where does oxygen from the air get absorbed into the blood?

A
in the alveoli
B
in the arteries
C
in the veins
D
in the heart
6

In the systemic circuit, blood leaves the heart through the

A
aorta.
B
pulmonary arteries.
C
pulmonary veins.
D
alveoli.
8

Which of the following best describes the coronary circuit?

A
coronary veins, arteries, heart wall, coronary arteries
B
lungs, atria, ventricles, coronary veins
C
atria, ventricles, coronary arteries, lungs
D
aorta, coronary arteries, heart walls, coronary veins, lungs
9

What is the name of the muscle the heart is made of?

A
ventricle
B
myocardium
C
trachea
D
atrium
10

What are the pulmonary, systemic, and coronary circuits all involved in? Check all that apply.

A
removing carbon dioxide from the body
B
regulating the level of oxygen and carbon dioxide in the body
C
moving oxygenated blood around the body
D
maintaining the health of the organs
13

What kind of blood vessels carry blood from the heart to the lungs?

A
pulmonary veins
B
cardiac arteries
C
cardiac veins
D
pulmonary arteries
14

What would happen to a person who has damaged pulmonary veins?

A
Deoxygenated blood would not get back to the lungs.
B
Oxygenated blood would not circulate through the heart muscle.
C
Oxygenated blood would not get back to the heart to be pumped all over the body.
D
Deoxygenated blood would not get to the heart.
15

After blood leaves the heart through the aorta, what happens? Check all that apply.

A
The blood moves through the cells of the body delivering oxygen.
B
The blood moves into the lungs.
C
The blood moves through progressively smaller blood vessels.
D
The blood removes carbon dioxide and other wastes from the cells.
E
The blood moves only to the upper part of the body.
16

Who is the most likely to have high blood pressure?

A
a person with an unhealthy diet and narrow arteries
B
a healthy person with a good diet and wide arteries
C
a person with an unhealthy diet and wide arteries
18

Why is the myocardium important? Check all that apply.

A
It is responsible for making the heart pump.
B
It brings carbon dioxide to the organs.
C
It allows the heart to relax and receive blood.
D
It removes carbon dioxide from the blood.
E
It causes the lungs to inhale.
19

What happens when the body requires more oxygen?

A
Respiration increases, and heart rate decreases.
B
Respiration and heart rate decrease.
C
Blood pressure increases, and respiration decreases.
D
Respiration and heart rate increase.
20

Blood pressure is the

A
pressure of blood against the walls of blood vessels.
B
pressure of the blood in the heart and the heart’s chambers.
C
pressure of blood moving through the lungs at any given time.
D
pressure of blood in the lower part of the body.

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