1. Which of the following is a function of an integuentary system?

A. It exchanges the gases inside the body.
B. It acts as the first system of defense of the body.
C. It supplies oxygenated blood to all parts of the body.
D. It helps the body to move and it gives support to our body.

2. Why do we sweat?

A. We sweat in order to decrease the fluid regulation of the body.
B. We sweat because of the hot temperature in the surroundings.
C. We sweat so as to regulate body temperature and to excrete body waste.
D. We sweat because of too much fluids inside our body that needs to be excrete.