Human Body Systems

Circulatory system consists of the heart, arteries, veins, capillaries and blood. The function of the circulatory system is to transport blood to every part of the body. In the blood are all the necessary gases, nutrients,and waste products; which are all transported to the necessary parts of the body.

Digestive system begins with the mouth, then with the esophagus, stomach, small intestine, large intestine and rectum. The function of the digestive system is to digest food and provide vital nutrients to the body,help regulates metabolism and to eliminate wastes.

Nervous system is broken down into two parts, the central and the peripheral. The brain and spinal cord combine to create the central nervous system. The nervous system controls all bodily activities.

Endocrine system consists of a network of glands including the pituitary, thyroid, thymus, pancreas, testes, ovaries, adrenal,and parathyroid glands. The glands secrete hormones that play a role in the regulation of digestion, metabolism, and homeostasis.