1. The Human Body Digestive System Respiratory System Excratory System Circulatory System 100 200 300 400 500

2. What organ stores fat and creates new red blood cells?

3. What organ system functions to collect and translate information the body collects?

4. Muscles can only _________or, not extend. Therefore they have to work in.

5. The functions of skin are 1. 2. 3.

6. List the three types of muscle and where they are found.

7. Waves of muscle contractions that help move food down the esophagus

8. What are the two types of digestion?

9. What structures in the small intestine help your body absorb and diffuse large amounts of nutrients

10. What chemical must be present in the stomach for pepsin to work best?

11. In what part of the body does the most chemical digestion take place?

12. What is the name of the small flap of tissue that prevents food from entering the trachea?

13. During gas exchange, what substance moves from the alveoli into the blood?

14. What happens to cause air to be exhaled from the lungs?

15. State the difference in breathing and cellular respiration.

16. List the organs of the respiratory system in order of use during breathing.

17. What is the purpose of the excratory system?

18. What is filtered through the kidneys?

19. The wastes the nephrons collect are and

20. What transports the waste collected from the kidney to the bladder?

21. List the organs in order of use through the excretory system.

22. What is the function of the heart?

23. The human heart has 4 chambers. Illustrate (draw a circle) and label each chamber.

24. Blood carries and to the cells of your body.

25. What is the function of platelets in blood?

26. Veins carry blood (to/away) Arteries carry blood (to/away)