Learning Activity # 5 - Chapter 8

1. What is the difference between multi-unit smooth muscle and single unit smooth muscle? Where do you find each?

   
   

2. Define the following: prime mover, antagonist, synergist.

   
   

3. What is the function of myoglobin? Where is it found?

   
   

4. Define the following: tendon, aponeuroses, fascia, muscle fascicle, perimysium, endomysium, epimysium, and muscle fiber.

   
   

5. What is the role of ATP and Calcium in muscle contraction?

   
   

6. What is the difference between aerobic respiration and anaerobic respiration? Which produces the most energy?

   
   

7. When does pyruvic acid get converted to lactic acid?

   
   

8. What are the major muscles of the head and neck? Give the function of each.

   
   

9. What are the major muscles of the arm? Give the locations and functions of each.

   
   

10. What are the major muscles of the thorax and abdominal wall? What are their functions?

    
    

11. What are the major muscles of the legs? Give the locations and functions of each.

12.  Describe the structure of a myofibril

14.  What is creatine phosphate?

15.  What is cholinesterase (acetylcholinesterase)?

16.  What is a motor unit?  What makes up one motor unit?