Review

3. A large, permanent structure found in plant cells that contains cell sap
9. When too much water goes into the cell and it swells too much and bursts
11. This cell structure acts as a partially permeable membrane
13. The yellow liquid found in blood
15. The uptake of particles by cells against a concentration gradient
17. A product of fermentation
18. A hormone involved in controlling blood glucose level
19. The _________ system is made up of the brain, spinal cord and nerves
20. When an enzyme is heated beyond its optimal temperature, it becomes ________
23. The process of maintaining a stable internal environment despite changes to the external environment
24. The body's reaction to being too cold
25. Vitamin A found in carrots, promote good ________

1. When we breathe in, the intercostal muscles ________
2. Prevents the backflow of blood
4. The disease in which a person's blood cannot clot easily
5. The type of respiration that requires oxygen
6. The breakdown of food
7. One large substrate attaches to this type of enzyme
8. Visking tubing is used to demonstrate this process
10. Egg cells store food in their cytoplasm, this is a feature of cell ____________
12. This enzyme helps breakdown hydrogen peroxide into water and oxygen
13. A temporary arm-like projection usually found in unicellular organisms such as the amoeba
14. Amino acids are used to make ________
16. The carbohydrase enzyme found in saliva that breaks starch down into sugar
21. Proteins are made in this cell organelle
22. When the heart muscles are relaxed