Food is prevented from going into the larynx by the ____________
Fill in the blank(s) with correct word
epiglottis
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Airway passages have smooth muscle cells that are unique in that they have two receptor sites on their outer membrane. One receptor site accepts ACh as the neurotransmitter. When excited it causes the smooth muscle to contract. The second site accepts NE and the inhibitory effect is that the ACh dilates the airway.
What will be an ideal response?
The nose is inferior to the eyes and superior to the mouth.
Answer the following statement true (T) or false (F)
Trochanters are unique to the femur.
Answer the following statement true (T) or false (F)
The internal environment of the body refers to
A. the intracellular fluid. B. the interstitial fluid and the intracellular fluid combined. C. the plasma. D. the interstitial fluid. E. the plasma, the interstitial fluid, and the intracellular fluid combined.