An example of homeostasis would be sweating when the temperature is hot.
The answer would be B, because they have subcellular organelles.
All microscopes have lenses. Some types of lenses are eyepiece lenses, objective lenses, and condenser lenses.
Afferent nerve fibers carry signals from the somatic receptors to the posterior horn of the spinal cord or to the brainstem. So i beleive it is 4 but not too sure. Hope this helped a bit (: