Term
| TRUE or FALSE: All organisms have a closed circulatory system. |
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Definition
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Term
Which structure of the heart acts like an automatic door that
closes once blood enters a chamber and forces it to exit in the
proper direction. |
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Definition
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Term
Which part of the heart takes blood from the veins and pumps it
into a ventricle? |
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Definition
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Term
What is the name of one of the lower chambers of the heart
that receives blood from the upper chambers and pumps it into the
arteries? |
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Definition
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Term
What is the name of the blood vessels that carry blood from the
heart to all the other parts of the body? |
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Definition
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Term
The circulatory system transports oxygen and nutrients to cells of the
body. What does it remove from the body? |
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Definition
| Carbon dioxide and other wastes |
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Term
Explain how blood flows through the human heart. Be sure to include the
words lung, valve, atrium, and blood in your answer. |
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Definition
| The heart has 4 chambers that blood collects. The upper chambers are called the atria while the lower chambers are called the ventricles. At the opening of each chamber is a valve |
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Term
valves make sure that once blood enters the chamber it flows in the correct direction. Blood enters the heart through the right atrium. It flows
into the right ventricle and is pumped into the lungs. |
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Definition
Blood full
of oxygen from the lungs enters the left atrium. It flows into the
left ventricle and is pumped into the body’s arteries to be carried
to the body’s cells. |
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