A myofilament is the
A. cell membrane of a muscle fiber.
B. cytoplasm of muscle cells.
C. structural and functional unit of the skeletal muscle cell.
D. contractile thread that extends the length of the muscle fiber.
E. protein strand composed of actin or myosin.
E
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The metabolic reactions within fast-twitch fibers derive much of their energy from aerobic respiration
Indicate whether this statement is true or false.
Which type of white blood cell includes B and T cells?
A) eosinophil B) basophil C) neutrophil D) monocyte E) lymphocyte
The first branches of the aorta are the
A. brachiocephalic arteries. B. common carotid arteries. C. right and left pulmonary arteries. D. right and left subclavian arteries. E. right and left coronary arteries.
Water is only lost from the body in urine formation.
Answer the following statement true (T) or false (F)