Which of the following is NOT a type of propulsion in the digestive tract?
A. peristalsis
B. mass movement
C. deglutition
D. segmental contraction
D
Anatomy & Physiology
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The major nonelastic source of resistance to air flow in the respiratory passageways is ________
A) air pressure B) friction C) surfactant D) surface tension
Anatomy & Physiology
The receptors that are stimulated by a large drop in the blood level are located in
a. the respiratory center of the brain b. carotid and aortic bodies c. tissue capillaries d. both b and c e. all of the above
Anatomy & Physiology
Which photoreceptor cells are more numerous?
A. Rods B. Cones
Anatomy & Physiology
The porcupinefish produces a toxin that binds voltage-gated sodium channels. Determine the effect of the toxin on nerve function
What will be an ideal response?
Anatomy & Physiology