Homeostasis

3. the system in an organism's body that performs the function of disposing of wastes through peeing or pooping.
5. a muscular organ found on the left side of the upper belly that digests food.
7. a hormone and drug involved in the regulation of visceral functioning.
9. our body’s central framework which is all our bones in our body.
11. a kind of body tissue made up of lengthy cells that can stretch and move.
14. our body’s command center.
15. a system that helps the body digest food and liquid.
16. A system that allows us to breathe in the fresh air and let out waste gases.
17. a pair of spongy, air-filled organs located on either side of the chest (thorax).

1. an organ that functions as the nervous system's nerve center
2. a system that allows movement, structure, and circulation of blood around our body.
3. a system of glands that produce hormones.
4. a primary lymphoid organ in the immune system.
6. pump blood throughout our body.
8. discharged from the body
10. an organ system in vertebrates that is part of the circulatory system and the immune system.
12. a system that carries blood away and towards the heart.
13. the process living things use to maintain stable conditions.