If a person's blood pressure is 120/70, the 70 refers to the pressure
A) during contraction of the vena cava.
B) during relaxation of the heart.
C) lowering between contractions.
D) during contraction of both ventricles.
E) during contraction of the left ventricle only.
Correct Answer:
Verified
Q12: In which vertebrate group are there two
Q13: A three- chambered heart
A) has three ventricles.
B)
Q14: The aorta
A) connects the right and left
Q15: In animals that have open circulatory systems,
Q16: Which of these animals has a closed
Q18: In mammals, blood with a low oxygen
Q19: What is the advantage of a closed
Q20: The left ventricle is more muscular than
Q21: Plasma contains all of the following components
Q22: Plasma is primarily
A) cells.
B) water.
C) salt.
D) gases.
E)
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