________ account for 98.5% of the body's weight
A) Carbon, oxygen, hydrogen, sodium, potassium, and chlorine
B) Carbon, oxygen, hydrogen, nitrogen, calcium, and phosphorus
C) Carbon, oxygen, iron, sodium, potassium, and chlorine
D) Carbon, nitrogen, hydrogen, sodium, potassium, and chlorine
E) Carbon, oxygen, hydrogen, nitrogen, sodium, and potassium
B
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Synapses where pre- and postsynaptic cells are directly connected so that current can pass from one cell to another are called __________
Fill in the blank with correct words.
The binding of __________ to a nicotinic receptor of a muscle fiber will __________ it.
A. acetylcholine; excite B. norepinephrine; excite C. monoamine oxidase; inhibit D. acetylcholine; inhibit E. acetylcholinesterase; excite
What is a hematocrit measuring?
A) the percentage of blood that is comprised of red and white blood cells B) the percentage of blood that is comprised of red blood cells only C) the percentage of blood that is comprised of plasma D) the amount of hemoglobin in blood E) the amount of oxygen that can be transported by blood
The cardioregulatory center of the brain is located in the
A. cerebellum. B. diencephalons. C. hypothalamus. D. cerebrum. E. medulla oblongata.