I believe the answer is D) reactivity. Hope this helps. (ノ◕ヮ◕)ノ*:・゚✧
C. and the explanation is i just know
The presence of two peripheral efferent neurons in a pathway is typical of the autonomic division. The autonomic division is part of the vertebrate nervous system and this system is responsible for involuntary action regulation (regulation of the intestines, heart, and <span>glands).
</span>
Four fundamental forces
<span>gravitation
electromagnetism
the weak interaction
the strong interaction.</span>