Compare and Contrast Local Regulators, Neurotransmitters, and Hormones

question 54

Essay

Compare and contrast local regulators, neurotransmitters, and hormones.

---

Definitions:

Pupil

The black circular opening in the center of the iris of the eye, which regulates the amount of light that enters the eye.

Iris

The colored ring of muscle that surrounds the pupil of the eye, controlling the size of the pupil and the amount of light that enters.

Accommodation

In psychology, it refers to the cognitive process of revising existing cognitive schemas, perceptions, and understanding so that new information can be incorporated.

Lens

A curved piece of glass or other transparent material that focuses or refracts light, used in optical devices like glasses, cameras, and microscopes.