9. Muscle Tissue

In a diagram of the upper back muscles, which arrow is most likely to indicate the location of the rhomboid minor muscle?

Which of the following is a site for a muscle or ligament attachment?

What is one of the primary functions of the muscular system in the body?

Which of the following muscles is found within the pelvic floor?

Which of the following is NOT one of the rotator cuff muscles?

Which of the following is present in muscle cells but absent in most other cell types?

The __________ are inward invaginations of the sarcolemma that run deep into the cell and ensure that every myofibril in the muscle fiber contracts at virtually the same time.

The thin myofilaments of skeletal muscle are composed chiefly of __________.

Myofibrils are composed of repeating contractile elements called __________.