Unit 3 Biology Crossword

2. salts, and organic substances.
4. contains hydrochloric acid and enzymes that go into the body from the air by the lungs.
6. A muscular organ located in the rib cage, between the lungs.
7. Movements of contraction made by the heart to push blood out.
8. filter the lymph and produce white blood cells.
10. breaks down fats into small drops to facilitate the action of the enzymes by emulsifying fats.
12. carry the lymph from capillaries and empty them into the circulatory system.
13. Movements of contraction made by the heart to push blood out.
14. Also known as red blood cells, they are the most abundant cells in the blood and don't have a nucleus.
16. contains enzymes that transform fats into fatty acids and other substances.
17. Stretchy blood vessels with thick walls that
18. Less-stretchy vessels with thin walls and valves that prevent the blood from flowing backwards. They transport blood from the organs to the heart.

1. tiny tubes that branch into the bodies’ tissues
3. The upper chambers of the heart that receive the blood.
5. also known as platelets, these blood cells help with the clotting process.
9. blood from the heart to the organs.
10. A sticky, red, slightly salty fluid made up of plasma and blood cells that consists of water, gas,
11. The lower chambers of the heart, which push the blood out.
15. These blood cells have a nucleus and defend the organism against infection and cancer cells.