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.
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).
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