Human Body Systems

7. facilitates gas exchange from the environment into the bloodstream.
8. this system collects information about the internal and external environment, processes that information, and responds to it.
9. processes and neutralizes toxins.
11. this system converts food into small molecules that can be used by the cells of the body.
13. this system handles the skin and its relation structures - the hair, nails, and glands.
14. this system includes the skin, lungs, liver, and kidneys. This system excretes metabolic wastes from the body.
15. this system has glands that release hormones that ravel through the blood and control the actions of cells, tissues, and organs.

1. this system transports oxygen, nutrients, and other substances throughout the body, and it removes wastes from tissues.
2. this system is a network of vessels, nodes, and organs that collects the lymph that leaves capillaries, "screens" it for microorganisms, and returns it to the circulatory system.
3. this system is the biological process by which new individual organisms – "offspring" – are produced from their "parent" or parents.
4. this system supports the body, protects internal organs, assists in movement, stores minerals, and is a site of blood cell formation.
5. this system has different types of muscle tissues that are specialized for different functions.
6. this system picks up oxygen from the air as we inhale and release carbon dioxide as we exhale.
10. removes waste products from the blood and produce urine.
12. excretes water and salts.