3. Final Jeopardy Question Muscular System Nervous System & Muscular System 500 Movement More Muscular System Anatomy of Muscle Fiber Naming Muscles 100 200 300 400 500 400 300 200 100 200 300 400 500

4. These are the four basic functions of muscles. Back Produce movements, maintain posture, stabilize joints, generate heat

5. This type of muscle is voluntary (under our conscious control). Back Skeletal muscle

6. This muscle lines your hollow organs Back smooth

7. This muscle is only found in one place in your body Back cardiac

8. Back This connective tissue connects muscle to bone. Tendon

9. An ___ ___ from a nerve stimulates a muscle contraction. Back Action potential

10. Name 3 molecules responsible for muscle contraction. Back K+, Ca 2+, Na+

11. This neurotransmitter is released at the synapse (space between nerve axon and muscle fiber). Back Ach (Aceytalcholine)

12. The space between a muscle & the nerve is called… Back the synapse or synaptic cleft

13. Another name for a muscle cell Back Muscle fiber

14. The contracting unit of a muscle Back sarcomere

15. The start/end boundaries of a sarcomere Back Z lines

16. The 2 protein myofilaments in a sarcomere Back Actin and myosin

17. Muscle fibers bundle together to form a ___. Back fascicle

18. Muscle fibers are multinucleated because… Back Muscle fibers are long & need the nucleus to control the cell function

19. Back smooth

20. Back cardiac

21. Back skeletal

22. This Type of Muscle is Multi-Nucleated Back Skeletal

23. This type of Muscle is responsible for blood circulation Back cardiac

24. This muscle makes up your “calf” muscle Back gastrocnemius

25. These muscles make up your “chest” muscles Back Pectoralis major

26. When you chew your food you use this muscle Back masseter

27. This muscle bends the forearm up Back bicep

28. This set of muscles makes up your “Rear end” aka buttocks Back Gluteus maximus

29. Weight lifting is this type of exercise. Back anaerobic

30. An easy jog is this type of exercise. Back aerobic

31. When you decrease the angle of a joint Back flexion

32. The muscles that make up the sides of your abs are called the... Back Obliques

33. When you increase the angle of a joint Extension/relax Back

34. Name the model or theory that explains how a muscle cell contracts? Sliding Filament Model