Homeostasis

1. a primary lymphoid organ in the immune system.
3. a pair of spongy, air-filled organs located on either side of the chest (thorax).
4. the process living things use to maintain stable conditions.
7. a system that carries blood away and towards the heart.
9. an organ that functions as the nervous system's nerve center
10. discharged from the body
11. the system in an organism's body that performs the function of disposing of wastes through peeing or pooping.
12. a kind of body tissue made up of lengthy cells that can stretch and move.
13. our body’s central framework which is all our bones in our body.
15. a system that helps the body digest food and liquid.
16. a system of glands that produce hormones.
17. an organ system in vertebrates that is part of the circulatory system and the immune system.

2. a system that allows movement, structure, and circulation of blood around our body.
4. pump blood throughout our body.
5. a muscular organ found on the left side of the upper belly that digests food.
6. our body’s command center.
8. a hormone and drug involved in the regulation of visceral functioning.
14. A system that allows us to breathe in the fresh air and let out waste gases.