Homeostasis

1. The smallest unit of life.
3. Movement of solute molecules from high to low concentration.
4. Cells that are complex and larger with a nucleus. Examples of cells found in animals.
7. Waste removal in the cells done by vesicles and vacuoles.
8. Carries out response/reaction to change.
11. Response to cold; reduces blood flow to retain heat.
13. Simple and unicellular cells , with no nucleus.
16. The control center of the brain, dealing with automatic responses.
17. The last name of the scientist that discovered cells, Robert _______.
18. Movement of solvent or water across a semi-permeable membrane.
19. The release of liquid from the skin to help regulate body temperature.
20. A type of feedback loop that promotes the change. Ex: Blood clotting.

2. Muscles contract to generate heat.
5. A part of homeostasis that detects change.
6. A type of feedback loop that reverses the change. Ex: Thermoregulation
8. An organism that creates its own heat due to metabolism
9. Response to rising body temperature; increases blood flow to lose heat.
10. A living thing that uses the environment to maintain its body temperature.
12. membrane Part of the cell, made to protect keep shape, aids in homeostasis.
14. Also known as pili erection, causing hair to rise to trap warm air.
15. The maintenance of a constant internal environment in the body