Question

(1) Mention any two components of blood,
(2) Write one structural difference between the composition of artery and veins​

Answer 1

Answer:

1) Red Blood Cells & White Blood Cells

2) arteries are green in colour

veins are blue in colour

Answer 2

Answer:

heres is the answers of your questions..

Explanation:

1. Its has four components of blood :-

a. plasma

b. red blood cell

c. white blood cell

d. platelets

2. Artery have thick , elastic, muscular walls whereas veins have thin walls with few elastic fibres..

Veins need valves as the blood flowing through them is such a low pressure that they need something to prevent it going backwards