In an atom, ____ orbit the nucleus
a. protons
b. electrons
c. neutrons
d. isotopes
b
You might also like to view...
Splanchnic nerves
A) originate from first-order neurons located in the upper five thoracic segments of the spinal cord. B) innervate the viscera or internal organs. C) control sympathetic function of structures in the thorax. D) connect chain ganglia. E) are formed of parasympathetic fibers.
Which item listed first is not paired with the correct type of immunity for which it is a part?
a. PAMPs, innate b. interferon, innate c. vaccine, adaptive d. toll-like receptors, adaptive e. NK cell, innate
The average person produces between 1 and 3 pints of gas per day.?
Indicate whether the statement is true or false
Adrenergic receptors
A. can be activated by the release of epinephrine. B. have two structural forms - muscarinic and nicotinic. C. when activated stimulate skeletal muscles to contract. D. can be found in both the sympathetic and parasympathetic divisions. E. are activated by the release of acetylcholine.