Anatomy Part One Systems

3. vessels that return blood to the heart
8. digestion that uses enzymes to break down food
9. chamber of the heart that pumps blood out of the heart
10. breaks down fats during digestion
11. Proteins-Lipids-Carbohydrates-Nucleic Acids
15. large muscle at the bottom of the chest cavity that controls breathing
17. covers the trachea to prevent food from entering when you swallow
19. tubes coming off of the trachea and into the lungs
21. controls the flow of blood through the heart, only allowing blood to flow in one direction
22. vessels that carry blood away from the heart and to tissues of the body

1. system that is a one-way tube that passes through the body and converts food into simple nutrients that can be used by cells
2. system that works to bring oxygen, nutrients and hormones to cells, removes wastes and regulates body temperature
4. movement of oxygen into the body and carbon dioxide out
5. finger-like projections that aid in digestion and create more surface area
6. also called a throat
7. tiny air sacs where gas exchange takes place
12. system that allows the exchange of gasses between air and body
13. digestion that physically breaks down food(chewing)
14. tube that connects the throat and the stomach
16. chamber of the heart that receives blood
18. a tube that leads to the lungs also called a windpipe
20. smallest blood vessels