How does alchol act in human body?

Name the plant source of cocaine? How does it affect the human body.

Largest gland in human body is

Longest cell in the human body

Which of the following does not play any role in calcium balnce in the human body?

Type of circulation in human body .

If mosquito acts as insect vector to transfer the malarial parasite into human body , what is used to deliver an alien piece of DNA into host cell ?

Give the importance of water in human body.