The structural subunits of myofibrils in skeletal muscle are the ___.

a) muscle fibers
b) myofilaments
c) sarcolemmas
d) fasciculi


Ans: b) myofilaments

Anatomy & Physiology

You might also like to view...

Stimuli that cause increased Na+ reabsorption decrease K+ secretion.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The loss of water in the urine due to unreabsorbed solutes is known as ________.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

In addition to gas exchange the respiratory system plays a key role in

a. enhancing venous return. b. water and temperature balance. c. body defense. d. both (a) and (c) above. e. all of these answers.

Anatomy & Physiology

Calcitonin is produced by the C cells of the parathyroid gland

Indicate whether the statement is true or false

Anatomy & Physiology