9. Muscles and Muscle Tissue

Which of the following muscle types is/are both voluntary and striated?

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.

Myofibrils are composed of repeating contractile elements called __________.

Which of the following muscles is voluntary?

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

Use the key to classify each of the following described tissue types into one of the four major tissue categories. Key: connective tissue epithelium muscle nervous tissue  _________    (1) Tissue type composed largely of nonliving extracellular matrix; important in protection and support  _________    (2) The tissue immediately responsible for body movement  _________    (3) The tissue that enables us to be aware of the external environment and to react to it  _________    (4) The tissue that lines body cavities and covers surfaces

Differentiate between the roles of neurons and the supporting cells of nervous tissue.

Name and describe the four special functional abilities of muscle that are the basis for muscle response.

Mrs. Delancy went to the local meat market and bought a beef tenderloin (cut from the loin, the region along the steer's caudal vertebral column) and some tripe (cow's stomach). What type of muscle was she preparing to eat in each case?

Compare and contrast skeletal, cardiac, and smooth muscle tissue relative to structure, body location, and specific function.