Select all that apply. the outer part of the eye consists of the:
a. sclera,
b. pupil,
c. iris,
d. cornea,
e. retina,
f. lens.

Answer : The correct options are, (a) sclera, (b) pupil, (c) iris and (d) cornea.

Explanation :

As we know that an eye classified into two categories which are external structure and internal structure.

External structure of an eye : It is the part of an eye which are visible externally.

The external part of an eye includes sclera, conjunctiva, cornea, iris and pupil.

Internal structure of an eye : It is the part of an eye which are nor visible externally.

The internal part of eye includes lens, retina, optic nerve.

Hence, from the above information, we conclude that the outer part of the eye consists of the sclera, cornea, iris and pupil.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.