Question

Have you noticed static electricity any time during winter season in what action did you find it

Answer 1

Answer:

WHEN THE CAR IS BURIED IN THE SNOW OR WHEN WE ARE TO LAZY TO MOVE

Explanation:

Answer 2

Answer:

Explanation:

Part (a) is in attachment.

(b) (i) As ventricle have to pump the blood into various organs, the muscular walls of ventricles are thicker than the walls of atria.

(ii) Since the blood emerges from the heart under high pressure, arteries have thick elastic walls.