Extra information

Question 1

An impulse(or action potential) is

Answer 1

generated

Question 2

the impulse travels along the

Answer 2

sarcolemma and down the t- tubules

Question 3

and then the calcium is released from the sarcoplasmic retuiculum and enters

Answer 3

into the sarcoplasm

Question 4

Calcium then binds to troponin and causes it to

Answer 4

change shape

Question 5

Troponin is going to slide tropomysoin out of the way and expose the

Answer 5

active sites on actin

Question 6

myosin heads are chemically attracted to the

Answer 6

active sites on actin

Question 7

Myosin heads bind to actin and pull the sarcomere shortens and force is generated

Answer 7

by the muscle