Each thick filament contains about ______ protein molecules (each molecule has two heads and two braided tails)

A.  2
B.  20
C.  200
D.  2000


C

Anatomy & Physiology

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The lumbar vertebrae are ________ to the thoracic vertebrae.

A. superior B. posterior C. anterior D. inferior E. cephalic

Anatomy & Physiology

During isovolumetric contraction, the pressure in the ventricles ________

A) falls and then rises B) remains constant C) falls rapidly D) rises and then falls E) rises rapidly

Anatomy & Physiology

The signal is carried from the ear to the brain by the optic nerve

Indicate whether the statement is true or false.

Anatomy & Physiology

Which of the following hormones is produced in the thyroid gland?

A) PTH or B) calcitonin

Anatomy & Physiology