Muscular System
Notes part b
Name ______________________________________________________
1. What does it mean by the muscle fiber contraction is “all or none?” (think about it)
2. What does it mean by Graded response when it comes to muscle contraction?
3. What is the definition of a muscle Twitch?
4. What is an example of a Tetanus type of Graded Muscle contraction?
5. Explain the difference between unfused tetanus and fused tetanus.
6. Muscle force depends upon the number of _____________ ______________.
7. The more fibers contacting results in _______________ ___________________________
8. What are isotonic contractions?
9. What are isometric contractions?
10. How many seconds of ATP is stored by muscles?
Direct Phosphorylation
11. Muscle cells contain _____________ _______________
12. What is creatine phosphate?
13. What does CP do to ADP?
14. How long does CP last?
15. Explain the process of Aerobic Respiration?
16. During Anaerobic glycolysis, glucose is broken down to pyruvic acid and converted to what in muscle cells?
17. What affect does lactic acid have on muscles?
18. What is the common reason for muscle fatigue?
19. Increasing acidity and lack of ATP does what to muscles?
20. What is muscle tone?
21. Muscles are attached at the origin and Insertion.
a. Explain origin
b. Explain insertion
22. What are 4 things that are the results of increase muscle use?