Which of the following is not a function of the skin?
(a) regulation of body temperature
(b) protection of the body
(c) production of red blood cells
(d) perception of the body's surroundings

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.