The muscle that squeezes the eye shut is the __________ oculi.
Fill in the blank(s) with the appropriate word(s).
oculi
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Otitis media is
A) an infection of the pinna. B) also known as swimmer's ear. C) an infection of the middle ear. D) an infection of semicircular canals. E) a ringing in the ears.
The velocity of blood flow inside a blood vessel
A. increases along the walls of the blood vessel. B. is faster in the center of the blood vessel. C. is more rapid along the sides of the vessel. D. is equal to the blood pressure. E. is most rapid at a bend or turn in the vessel.
A herniated disk is
A. a hole in a flat muscular wall. B. a knee injury that may require surgery. C. a rupture of fibrocartilage in the spine. D. a dislocation of the pubic symphysis.
In meiosis the spermatozoa that are produced are genetically unlike each other and unlike the cell that produces them. This is one reason for the great variation among humans. What causes this effect?
A) chromosome segregation and independent assortment only B) crossing-over and chromosome segregation only C) crossing-over and independent assortment only D) crossing-over, chromosome segregation, and independent assortment