Which statement is incorrect?
a. Salivation is entirely under neural control.
b. Parasympathetic stimulation and sympathetic stimulation both increase salivary secretion.
c. The acquired salivary reflex occurs upon stimulation of chemoreceptors and/or pressure receptors in the mouth.
d. Parasympathetic stimulation produces a watery saliva rich in enzymes.
e. The salivary center is located in the medulla.
C
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Around the knee joint, which specialized connective tissue forms four separate bridges from one bone to another bone?
A) Knee muscles B) Knee ligaments C) Knee epiphyses D) Knee tendons
The vessels that are the main site of variable resistance in the circulatory system, and that contribute more than 60% of the total resistance, are the
A) venules. B) veins. C) arterioles. D) elastic arteries. E) muscular arteries.
Which of the following properties does not pertain to the arterioles?
a. Their radii remain constant. b. Their walls contain a relatively thick layer of smooth muscle. c. They are responsible for the distribution of blood flow to the various organs. d. They are the major vessels that contribute to total peripheral resistance. e. They are richly innervated by sympathetic nerve fibers.
The immediate source for supplying additional ATP at the onset of exercise is ____________________
Fill in the blank(s) with correct word