The parasympathetic postganglionic axons that travel to the pupillary constrictor muscle result in pupil ________ when the eye is exposed to bright light.
Fill in the blank(s) with the appropriate word(s).
constriction
Anatomy & Physiology
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When sodium channels open during an action potential, the opening is caused by
A) binding of sodium ions. B) presence of positive charge. C) presence of calcium. D) binding of potassium ions.
Anatomy & Physiology
All of the following are regulatory functions of the endocrine system except ________.
A. metabolic rate B. labor contractions C. immune functions D. development of tissues E. thermoregulation
Anatomy & Physiology
When comparing a lean adult female to a lean adult male, which will most likely have a higher percentage of body fluid?
A. The male B. The female
Anatomy & Physiology
The protein that is found in the Z line of a sarcomere is called
A) actinin. B) titin. C) nebulin. D) myosin. E) actin.
Anatomy & Physiology