The muscle layer of the heart wall is the ________.

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


myocardium

Anatomy & Physiology

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The white material that reduces friction at the ends of bones is called

A. the epiphysis. B. articular cartilage. C. the periosteum. D. the endosteum. E. white matter.

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Myosin is also known as the

A. thick myofilament. B. thin myofilament. C. intermediate myofilament. D. short myofilament. E. sarcomere.

Anatomy & Physiology

After contraction has occurred, the calcium is

A. destroyed by cholinesterase. B. chemically bound to the cross bridges. C. secreted by the Golgi apparatus to the outside of the cell. D. released from troponin. E. returned to the sarcolemma.

Anatomy & Physiology

Which STD is caused by the Treponemapallidum bacterium?

A. Chlamydia B. Gonorrhea C. Herpes D. Syphilis

Anatomy & Physiology