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 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
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