(iii) Which of the following statements are correct:
I.
Vena cava brings oxygenated blood from body parts towards the heart.
II. Normal systolic blood pressure in humans is 120mm of Hg.
III.
Hypertension is caused by the constriction of arteries and arterioles.
IV. Capillaries join together to form veins.
(a) I, III, IV (b) II, III
(C) II, III, IV (d) I,II,IV
Answers
Answered by
1
Answer:
option (b) is right
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Answered by
0
Answer:
1 it carries deoxygenated blood.
2 correct
3true
4d
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