Question

(Q-1) What mosquitoes do to our blood?

(Q-2)Do fish sleep?

(Q-3) Why are some people left handed ?

(Q-4)Why birds don't fall of branches when they Sleep?​

Answer 1

Explanation:

A drug is any substance (with the exception of food and water) which, when taken into the body, alters the body's function either physically and/or psychologically. Drugs may be legal (e.g. alcohol, caffeine and tobacco) or illegal (e.g. cannabis, ecstasy, cocaine and heroin).