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Body Fluid and Circulation topics include: Circulatory pathway types, human blood composition and function, blood groups, blood clotting and coagulation, human heart, cardiac cycle, heart sounds, blood pressure and cardiac output.
The circulatory system is made up of the heart, blood vessels, and circulating fluids, which are blood and lymph. Circulation is the movement of extra-cellular fluid that contains food, oxygen, hormones, and blood to various parts of the body. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
The two main body fluids in the human body are blood and lymph: Blood: Blood contains plasma, white blood cells, red blood cells, and platelets. Blood transports nutrients, wastes, and gases throughout the body. Blood is also a fluid connective tissue that helps maintain body temperature and protects against disease. Lymph: Lymph is made up of lymphocytes.
Tissue fluid, also known as interstitial fluid, is another type of fluid found in the body.
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