The brain and spinal cord are covered by connective tissue membranes called ________
A) meninges
B) lobes
C) fissures
D) sulci
A
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An increase in PCO2 would cause
A) the bronchioles to constrict and the systemic arterioles to dilate. B) the bronchioles to dilate and the systemic arterioles to dilate. C) the bronchioles to dilate and the systemic arterioles to constrict. D) the bronchioles to constrict and the systemic arterioles to constrict. E) None of the answers are correct.
Define prolapsed uterus
What will be an ideal response?
Fresh water vertebrates
a. are hyper-osmotic regulators. b. produce large volumes of hypotonic urine. c. maintain lower internal osmolarities in order to minimize water intake. d. are adapted to take in ions of sodium, chlorine and calcium by means of gills, chloride cells and moist skin. e. all these.
Define motor unit
A) A motor unit is the sum total of all the motor neurons going to a specific muscle. B) A motor unit is the sum total of all the muscle fibers in a whole muscle. C) A motor unit is the maximum tension that a whole muscle can generate with maximum stimulation. D) A motor unit is a motor neuron and all the muscle fibers that it controls. E) A motor unit is the sensory neuron going away from and the motor neuron going to a skeletal muscle.