Question

Exercise
A. Tick (~) the right choice:
1. Name the organ that oxygenate and make
the blood pure.
(a) heart
(b) lungs
2. The average pulse rate of human body is
(a) 72 per min
(b) 72 per hour
3. The human heart is
4. which of these thick muscular walls?
(a) arteries
(b) veins
5. the thinnest blood vessels
(a) veins
(b) capillaries​

Answer 1

Answer:

1. b.

2. a

3. not clear question

4. a

5. b

Answer 2

Answer:

1. Name the organ that oxygenate and make

the blood pure.

(a) heart

(b) lungs

Ans:- Heart

2. The average pulse rate of human body is

(a) 72 per min

(b) 72 per hour

Ans:- 72 per min

4. which of these thick muscular walls?

(a) arteries

(b) veins

Ans:- Arteries

5. the thinnest blood vessels

(a) veins

(b) capillaries

Ans:- Capillaries

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