Which of the following best describes eccentric muscle contraction

The __________ phase of a muscle twitch occurs first, and the _______ phase is longest in duration.

Which of the following statements regarding the Sliding Filament Theory is NOT correct? (select all that apply)

Endomysium is __________________  tissue and is wrapped around  ___________.

When comparing skeletal muscle, smooth muscle and cardiac muscle cells, which type of muscle cell does not have sarcomeres. Select all that apply. 

Aerobic respiration occurs in the:

When comparing skeletal muscle, smooth muscle and cardiac muscle cells, which type of muscle cell does not have sarcomeres. Select all that apply. 

A young kid falls from her bicycle.  An X-Ray reveals a complete fracture of her left Radius.  The doctor places a cast on her arm, which immobilizes her arm for 8 weeks.  After 8 weeks the cast is removed, however the muscles or the forearm are noticeably smaller when compared to the right forearm.  Which of the following would help explain the decrease in the size of her forearm muscles:

Which of the following is(are) a function(s) of muscle tissue?

For the following statement, one or more of the answers given is correct (shown as 1-4) Which of the following is utilized for ATP production during aerobic pathways of ATP production: 1. fatty acids                       2.  glucose                    3.   pyruvate (pyruvic acid)                4. amino acids