If a motor neuron in the body were stimulated by an electrode placed about midpoint along the length of the axon ________.
A) the impulse would move to the axon terminal only
B) muscle contraction would occur
C) the impulse would spread bidirectionally
D) the impulse would move to the axon terminal only, and the muscle contraction would occur
C) the impulse would spread bidirectionally
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The superior portion of the heart where major blood vessels enter and exit is the
A) apex. B) hilum. C) base. D) septum. E) mediastinum.
Most cells in the human body are between 1 mm and 100 mm in diameter
Indicate whether this statement is true or false.
________ differ from one another in their number of neutrons and atomic mass.
A. Electrolytes B. Free radicals C. Anions D. Isotopes E. Cations
The secretion of ________ sweat glands is viscous, cloudy, and rich in proteins and lipids.
Fill in the blank(s) with the appropriate word(s).