Human Body Systems

3. Where does the actual gas exchange process take place within the respiratory system?
5. Where does systemic circulation send blood?
7. The main role of the heart in the circulatory system is to ____ blood.
8. The primary function of the respiratory system is to ____ gases with the environment.
11. Which type of muscle controls our digestive system?
12. The part of the brain that is primarily responsible for coordinating muscle movements and maintaining balance.
15. When the skin is exposed to sunlight it converts chemicals in ______ _.
16. The primary function of the circulatory system is to transport _____
19. The purpose of tendons is to attach muscle to ______
20. What does the term "maximus" indicate about a muscle when it appears in its name?
22. The liver, gallbladder, and pancreas are _____ organs of the digestive system, because food does not pass through them.
23. What other passageway is considered part of both the respiratory and digestive systems?

1. The lobe of the brain that is responsible for processing visual information.
2. A ____ is a specialized cell that carries messages through electrical and chemical signals.
4. Which part of the respiratory system is responsible for voice production?
6. This part of the bone produces new blood cells.
7. The primary function of the _____ nervous system is to carry message to the body.
8. Muscle fibers return to their original shape through _____
9. Which muscle type is primarily involved in controlling the heartbeat?
10. Nails contribute to the function of the integumentary system by ____ the fingers and toes.
13. Ligaments attach bone to ____
14. The saliva in the mouth is part of the _____ process.
17. The part of the digestive system is also part of the respiratory system.
18. Which layer of the skin contains blood vessels and nerves?
21. The digestive system is a group of organs working together to turn food into nutrients for _____