Heat always moves down a thermal gradient from a(n) __________ to a(n) __________ region
Fill in the blank(s) with correct word
warmer; cooler
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Which statement is true regarding the meninges and cerebrospinal fluid of the spinal cord and brain?
A) Spinal fluid is secreted both in the brain and in the spinal cord areas. B) There is an epidural space associated with the spinal meninges, but not with the cranial meninges. C) The meninges around the brain are not the same as those around the spinal cord. D) There is a subarachnoid space within the spinal meninges but not the cranial meninges. E) The choroid plexuses are located only within the brain, not within the spinal cord.
The primary inhibitory neurotransmitter in the brain is
A. glutamate. B. valine. C. GABA. D. serotonin. E. serine.
Psychosocial influences can lead to obesity
Indicate whether the statement is true or false
The spleen is one of the locations for _____. Select one:
a. natural immunity b. phagogenesis c. phagocytosis d. none of the choices