• 1
  • 2
  • 3
1. During which phase of a twitch in a muscle fiber is tension the greatest?
 
 
 
 

Question 1 of 3

2. Critical Thinking: Why does a motor unit of the eye have few muscle fibers compared to a motor unit of the leg?

Question 2 of 3

3. Critical Thinking: What factors contribute to the amount of tension produced in an individual muscle fiber?

Question 3 of 3