Health2

2. A fatty deposit that restricts blood flow in an artery
4. The tough, solid tissue that forms the joints.
5. Organs are formed of similar ...
8. The ... served as your kidneys,lungs, and intestines before you developed these organs.
11. The substances your body needs in order to function properly.
13. You received oxygen and nutrients from your mother's blood through the...
14. Before you were born, you f tgrew and developed inside your mother's...
16. How often should you exercise?
17. The term that describes the muscle's ability to maintain a slight contraction, keeping the muscle firm.
18. Controls every function in the cell.

1. Tiny organs called... perform chemical reactions and functions in the cell.
3. Groups of similar cells form...
6. The major breathing muscle in your body.
7. Your body is made up of tiny living units called...
9. The kind of exercise that increases the ability of the cardiovascular system to transport and process oxygen.
10. The tiny air sacs in your lungs.
12. Supervises substances entering and exiting the cell.
15. Groups of organs with similar functions form...