Body systems and their functions

integumentary system

Its function is the protection of the body, secretion of waste products, production of vitamin D, and regulation of body temperature.

skeletal system

It provides protection and support and produces red blood cells. It also stores chemical salts.

muscular system

moves, helps to maintain posture, and produces heat.

nervous system

It receives sensory information detects changes and in response, stimulates muscles and glands.

endocrine system

contains many feedback systems to help maintain homeostasis.

lymphatic system

Its main functions are to return excess tissue fluid to the bloodstream, absorb and transport fats from the digestive system, and defend the body against infection.

immune system

consists of cells and antibodies that help the body fight pathogens

blood

These structures work to transport oxygen and carbon dioxide along with water, electrolytes, hormones, carbohydrates, fats and proteins, and wastes.

cardiovascular system

its function is to transport blood

respirator system

supplies the body with oxygen and eliminates carbon dioxide.

digestive system

is to receive, break down, and absorb food. It also eliminates wastes.

urinary system

remove wastes, maintain water and electrolyte balance, and store and transport urine.

reproductive system

passes genetic information down to future generations as well as produces hormones that help the body to mature.