The middle ear communicates with the nasopharynx through the
-membranous labyrinth.
-auditory tube or Eustachian tube.
-auricle.
-bony labyrinth.
-auditory meatus.
auditory tube or Eustachian tube.
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Air moves out of the lungs when the pressure inside the lungs is
A) greater than intraalveolar pressure. B) less than the pressure in the atmosphere. C) less than intrapulmonic pressure. D) equal to the pressure in the atmosphere. E) greater than the pressure in the atmosphere.
A high speed of conduction along axons is very important for the survival of organisms, particularly when quicker response times allow escape from a predator
Many factors affect speed of conduction, including temperature, myelination, and the diameter of the axon. Discuss how myelination and diameter affect the cable properties of a neuron and affect conduction speeds. What will be an ideal response?
True or False? The thymus is also an endocrine gland and is located in the abdomen. Select one:
a. true b. false
Which muscular disorder is characterized by painful muscle spasms?
A. Myasthenia gravis B. Hernia C. Muscular dystrophy D. Cramp