τяеѕ · ѕаиѕ · соеuя (tressanscoeur) wrote in homeworkhelper,
τяеѕ · ѕаиѕ · соеuя
tressanscoeur
homeworkhelper

Which part of the heart contracts and forces oxygen-rich blood throughout the body?

a) left atrium

b) right atrium

c) left ventricle

d) right ventricle


The blood entering the right atrium is low in oxygen because it has just returned to the heart after nourishing the body with needed oxygen.

True or False

Blood first enters which part of the heart?

a) left atrium

b) right atrium

c) left ventricle

d) right ventricle
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Anonymous

July 6 2010, 03:16:35 UTC 6 years ago

idk the first one or the last but the second is true