Circulatory System Test with Verified Answers
What is the circulatory system? - ANS -The circulatory system is the body system that
transports blood and other materials.
How does the circulatory system help the cells? - ANS -It brings vital supplies to the
cells and carries away their wastes.
What do the blood vessels of the circulatory system do? - ANS -They keep oxygen-
poor blood from mixing with oxygen-rich blood.
What does the circulatory system do with oxygen? - ANS -The circulatory system
carries oxygen to all of the body's cells and transports carbon dioxide from the rest of the
body to the lungs, where it is exhaled.
What is the function of the circulatory system? How does the circulatory system
accomplish this? - ANS -The function of the circulatory system is to transport O2 and
nutrients to body cells and to carry oxygen-poor blood and CO2 back to the heart and
lungs. To do its job, the system must keep blood constantly circulating.
What are the main parts of the circulatory system? - ANS -The main parts of the
circulatory system are the heart, the blood, and the blood vessels.
What is the heart? What does it do? - ANS -The heart is a muscular pump, about the
size of your fist, that keeps the blood moving to every part of the body.
Where does blood inside the circulatory system stay? What kind of system is this? -
ANS -The blood in the circulatory system stays inside the vessels; it's a closed
system.
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What is the circulatory system? - ANS -The circulatory system is the body system that
transports blood and other materials.
How does the circulatory system help the cells? - ANS -It brings vital supplies to the
cells and carries away their wastes.
What do the blood vessels of the circulatory system do? - ANS -They keep oxygen-
poor blood from mixing with oxygen-rich blood.
What does the circulatory system do with oxygen? - ANS -The circulatory system
carries oxygen to all of the body's cells and transports carbon dioxide from the rest of the
body to the lungs, where it is exhaled.
What is the function of the circulatory system? How does the circulatory system
accomplish this? - ANS -The function of the circulatory system is to transport O2 and
nutrients to body cells and to carry oxygen-poor blood and CO2 back to the heart and
lungs. To do its job, the system must keep blood constantly circulating.
What are the main parts of the circulatory system? - ANS -The main parts of the
circulatory system are the heart, the blood, and the blood vessels.
What is the heart? What does it do? - ANS -The heart is a muscular pump, about the
size of your fist, that keeps the blood moving to every part of the body.
Where does blood inside the circulatory system stay? What kind of system is this? -
ANS -The blood in the circulatory system stays inside the vessels; it's a closed
system.
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Page
