Answer the following questions true (T) or false (F)
1. The two groups of bones in the skull are the cranial bones, which encase the brain, and the facial bones, which form the framework of the face.
2. Fourteen cranial bones and 8 facial bones form the skull.
3. Fontanels are places where ossification has not yet completed in the skull of a child are often called "soft spots" in those under age 2.
1. TRUE
2. FALSE
3. TRUE
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In the center of a liver lobule there is a
A) hepatic duct. B) portal area. C) sinusoid. D) central vein. E) portal vein.
The brain-testicular axis ________.
A) is the tight relationship between the cortex and the control of testicular function B) involves FSH and LH release C) involves posterior pituitary release of regulating hormones D) involves a positive feedback loop control of spermatogenesis
What are the three functional classes of neurons in the nervous system?
a. afferent, efferent, and interneurons b. brain, spinal, and peripheral c. incoming, outgoing, and transitional d. efferent, spinal, and motor e. afferent, peripheral, and sensory
The vasomotor center which regulates blood vessel diameter is located in the brain stem.
a. true b. false