9. Muscle Tissue

What is the main and only organ of the muscular system?

Which of the following muscles is highlighted in the picture showing the large muscle located on the front of the upper arm responsible for flexing the elbow?

Which of the following muscles is primarily responsible for flexing the wrist and hand?

Which muscle acts as the prime mover of elbow flexion?

Which sphincter operates under voluntary control in the human body?

Which of the following defines a motor unit?

Which of the following types of muscle tissue is considered voluntary?

Which muscle is primarily responsible for the movements involved in nodding the head 'yes' or 'no'?

Which of the following best describes the insertion of a muscle?

Which internal structures of animals are specifically adapted to use contraction to cause movement?

Which extrinsic eye muscle elevates the eye and moves it laterally?

In skeletal muscle tissue, muscle cells (muscle fibers) contain a large amount of which organelle to support ATP production for contraction?

The pectoralis major is an ______ of the arm.

Which of the following is a primary function of skeletal muscle tissue?

The infraspinatus muscle is included in the __________ muscles.