The myenteric plexus is
A) primarily composed of connective tissue.
B) a layer of longitudinal smooth muscle.
C) the mucus secreting layer of the digestive tract.
D) a network of neurons.
E) a layer of circular smooth muscle.
D) a network of neurons.
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Which of the following statements is true of the Magnus force?
A. It is created by spin on a ball. B. It is created by a pressure differential. C. Both A and B are true. D. Neither A nor B is true.
Beyond the larynx, the trachea divides into two main branches, the right and left bronchi
a. True b. False Indicate whether the statement is true or false
A negative nitrogen balance would be present in which situation?
A. Pregnancy B. Growth C. Starvation D. All of the above
The __________ respiratory group in the medulla sends messages to motor neurons that stimulate the diaphragm and external intercostal muscles.
Fill in the blank(s) with the appropriate word(s).