The process of forming three germ layers from the embryonic disk is called ______
A. gastrulation
B. differentiation
C. fertilization
D. meiosis
E. implantation
A
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A county fair held a water-drinking contest where people competed to see who could drink the most water in a set amount of time. During the competition, a man drank three gallons of water in under an hour and a half. Unfortunately, this killed him several hours after he won the competition. What killed the man?
A. The increase in water content stimulated his body to secrete lethal amounts of aldosterone. B. His electrolytes became incredibly diluted, causing water to rush into cells and make them burst. C. The concentration of sodium in his body tripled and caused his nervous system to stop working. D. He consumed an amount of water that his body could not use. His body responded by trying to get rid of some of the water through respiratory perspiration, and he drowned.
The spinal tracts that regulate voluntary motor commands to skeletal muscles on the opposite side of the body are the
A) vestibulospinal tracts. B) spinothalamic tracts. C) reticulospinal tracts. D) corticospinal tracts. E) rubrospinal tracts.
Which of the following bones must the olfactory neurons pass through to enter the central nervous system (CNS)?
What will be an ideal response?What will be an ideal response?
The medial, intermediate, and lateral _________ form a series of wedge-shaped tarsal bones.
Fill in the blank(s) with the appropriate word(s).