Question

A. Tick (7) the correct option.
1. The
system comprises of blood, blood vessels and heart.
(a) excretory
(b) circulatory
(c) digestive
is not a blood vessel.
(a) Platelet
(b) Artery
(c) Capillary
are responsible for the clotting of blood.
(a) Red blood cells
(b) Platelets
(c) White blood cells
4. The human heart has
(a) two
chambers.
(b) three
(c) four
beats per
5. For an adult human being, the pulse rate can vary from
minute.
(a) 10 to 20
(b) 60 to 100
(c)
150 to 200
0​

Answer 1

Answer:

1)b

2)a

3)b

4)a

5)b

Explanation: