Question

(b) Give Reasons.
1. WBCs of the blood are our microscopic soldiers.
2. Some of the seeds have wing like structures.
3. Fuse is kept in the electric circuit of a house.​

Answer 1

Answer:

1. White blood cells are cells of the system, which play a neighborhood in protecting the body against infectious diseases and foreign bodies. These cells flow with the blood throughout the body then scavenge and kill the parasites and foreign bodies

behn 2 aur 3 kisi aur se puchh lena