How many temperature in human body

Question : "Impulse" can be defined as:

Option 1: the force acting on a body for a very long time.

Option 2: the work done by a body for a short time.

Option 3: the force acting on a body for a short time.

Option 4: the temperature acting on a body for a short time.

Question : Sweating or perspiration is nature's way of:

Option 1: Lowering the internal temperature of the body

Option 2: Releasing excess salt from the body

Option 3: Warding off harmful insects through the bad odour of the sweat

Option 4: Releasing excess water from the body

Question : Phosphorus is kept in water because

Option 1: Its ignition temperature is very high.

Option 2: Its ignition temperature is very low.

Option 3: Its critical temperature is high.

Option 4: Its critical temperature is low.