In mammals, blood with a low oxygen content enters the ________ of the heart.
A) right atrium
B) right ventricle
C) left atrium
D) left ventricle
E) aorta
Correct Answer:
Verified
Q14: What is the advantage of a closed
Q15: Which heart chamber is the most muscular?
A)right
Q16: In vertebrates, which heart chamber supplies oxygenated
Q17: All of the following are components of
Q18: In which vertebrate group are there two
Q20: The aorta:
A)is a major artery.
B)is a major
Q21: The _ valve is between the right
Q22: Ventricles force blood directly into the:
A)veins.
B)arteries.
C)capillaries.
D)arterioles.
E)venules.
Q23: The average red blood cell lives for
Q24: If you remove red blood cells, white
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