fghdkdidjc4460 fghdkdidjc4460

27-04-2022
Health

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The human cardiovascular system is considered closed because __________. a. blood is continuously circulated in the body. b. blood provides nutrients to organs. c. blood collects oxygen from the lungs d. there are no holes for blood to enter or leave the system please select the best answer from the choices provided. a b c d

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wither607 wither607

27-04-2022

Answer:

I believe it is a: Blood is continuously circulated in the body.

Explanation:

Open Cardiovascular system is where blood freely flows through open spaces, whereas, with a closed cardiovascular system the blood flows through proper blood vessels.

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eigenrd77stu eigenrd77stu

10-05-2022

Answer:

D:there are no holes for blood to enter or leave the system.

Explanation:

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