Which of the following statements regarding the brain is true?
A) The blood- brain barrier helps to maintains a stable chemical environment for the brain.
B) Layers of connective tissue,called epithelium,surround and protect the brain and spinal cord.
C) White matter is mainly dendrites.
D) Ventricles in the brain are filled with interstitial fluid.
Correct Answer:
Verified
Q46: The functional unit of the nervous system
Q47: The gap between the transmitting and receiving
Q48: One neurotransmitter associated with sleep,mood,attention,and learning is
A)epinephrine.
B)NO.
C)serotonin.
D)acetylcholine.
Q49: Which of the following results from stimulation
Q50: Which of the following results from stimulation
Q51: The network of neurons that extends through
Q52: Which division of the human nervous system
Q54: Nervous system effector cells
A)include muscle cells and
Q55: The speed of impulse conduction along an
Q56: The brain of humans is strongly oriented
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