Question 1

Which of the following is a synonym for the circulatory system?

Accepted Answer

cardiovascular system

Answer

immune system

Answer

respiratory system

Answer

nervous system

Question 2

Where in your body can you find blood vessels?  Choose the best answer.

Accepted Answer

virtually everywhere

Answer

in your hands and feet

Answer

in your head

Answer

around your heart

Question 3

To which part of a car is the heart most similar?

Accepted Answer

engine

Answer

steering wheel

Answer

wheels

Answer

radio

Question 4

How does pulmonary circulation differ from coronary circulation?

Accepted Answer

coronary circulation occurs in the heart; pulmonary circulation occurs in the heart and lungs

Answer

coronary circulation occurs in the brain; pulmonary circulation occurs in the lungs

Answer

coronary circulation occurs throughout the body; pulmonary circulation occurs in the heart

Question 5

What can you infer about carbon dioxide from the fact that your body needs to breathe it out?

Accepted Answer

it can be harmful if it builds up in the bloodstream

Answer

without it, the lungs would not be able to function

Answer

it is necessary for life

Question 6

How does your body acquire the oxygen the cells in your body need to function?

Accepted Answer

breathing

Answer

osmosis

Answer

absorption

Answer

circulation

Question 7

Through which type of circulation does blood flow to your hands and feet?

Accepted Answer

systemic circulation

Answer

coronary circulation

Answer

pulmonary circulation

Answer

cardiac circulation

Question 8

What would happen if your circulatory system did not deliver oxygen to your body's cells?

Accepted Answer

your body's cells would shut down

Answer

your body's cells would multiply at twice their normal rate

Answer

your body's cells would enter your bloodstream

Answer

your body's cells would use carbon dioxide instead

Question 9

Blood leaves your heart through the largest artery in the body called the _________________.

Accepted Answer

aorta

Answer

vena cava

Answer

vein

Answer

big artery

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