The ciliary muscle contracts to
-control the production of aqueous humor.
-adjust the shape of the cornea and vitreous.
-control the amount of light reaching the retina.
-adjust the shape of the lens for distant vision.
-adjust the shape of the lens for near vision.
adjust the shape of the lens for near vision
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Muscles needed for endurance require ________ than do less demanding muscles.
A. more nerves B. a richer blood supply C. less mass D. more heat
The reflex that prevents a muscle from exerting too much tension is the ________ reflex
A) stretch B) tendon C) flexor D) crossed extensor E) reciprocal
Dendrites on unipolar neurons are parts of
A) interneurons. B) motor neurons. C) sensory neurons. D) efferent neurons.
The systolic blood pressure is the greatest systemic arterial blood pressure during ________.
A. ventricular contraction B. atrial contraction C. ventricular relaxation D. atrial relaxation