Why do obese persons are prone to hypertension?

Write a note on Hypertension

Why do slim persons feel more cold in winter than those who are obese?

Give the scientific reason: There is hypertension due to smoking.

Answer the following : Why does a person weigh more at the bottom of mount everest than at the top of it ?

Write short notes on the following. Hypertension

Why do we see moonlight ?

Why do we differ from our parents?

Why do new iron sheets appear shiny?

Why do the veins have valves?