What is the correct order that light, and then an action potential, travels when light strikes the retina?
What will be an ideal response?What will be an ideal response?
Photoreceptor cells, bipolar cells, retinal ganglion cells, and optic nerve
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Which of the following is a normal response to excessive loss of body heat in a cold environment?
A. Sweat glands become active. B. Dermal blood vessels constrict. C. Smooth muscles relax. D. Dermal blood vessels dilate.
The aorta contains specialized sensory nerve endings that respond to stretch of the vessel wall. These pressure-sensitive structures are called aortic arch _________
Fill in the blank with correct word.
The minimum volume of air that remains in the lungs after a maximal expiration is termed the
a. tidal volume b. functional residual capacity c. residual volume d. vital capacity e. None of the above
Damage to capillaries would prevent cells from exchanging gases and nutrients with one another.
Answer the following statement true (T) or false (F)