The H zone contains

A) thin filaments only.
B) actin only.
C) thick filaments.
D) thick and thin filaments.


C) thick filaments.

Anatomy & Physiology

You might also like to view...

Lymphatic capillaries are ________

A) similar in structure to arteries B) similar in structure to capillaries C) similar in structure to veins D) completely impermeable

Anatomy & Physiology

A spinal cord concussion is:

A) caused by a short-duration shock or pressure wave within the cord. B) a condition that results in a permanent loss of neurologic function. C) characterized by temporary dysfunction that lasts for up to 1 week. D) the result of direct trauma and is associated with spinal cord edema.

Anatomy & Physiology

Breathing into and out of a paper bag for a long period of time will lead to ________

A) urinary alkalosis B) respiratory acidosis C) metabolic acidosis D) urinary acidosis E) metabolic alkalosis

Anatomy & Physiology

________ is defined as the movement of air into and out of the lungs

A) External respiration B) Gas transport C) Pulmonary ventilation D) Internal respiration

Anatomy & Physiology