Answer:
isotonic: two solutions having the same osmotic pressure across a semipermeable membrane
hypertonic: shrink. solution is one in which the concentration of solutes is greater inside the cell than outside of it
hypotonic: swell. solution is one where the concentration of solutes is greater outside the cell than inside it
Explanation:
The answer is B I believe it to be
internal-organ function, breathing, digestion, and heartbeat. This system consists of two complementary parts: the sympathetic and parasympathetic systems.
The complementary pair would be 3' TACCCCGCG 5'
I hope I helped!