A cell that receives information from the environment and sends that information to the brain.
Receptor Cell:
looks like a snail shell; changes sounds into nerve messages and sends them to your brain.
Cochlea
A tissue in the middle ear that vibrates when sound waves hit it.
Eardrum
The colored part of the eye.
Iris
The opening in the center of the eye.
Pupil
your body’s communication system
Nervous System
The three main parts of the brain are:
cerebrum, cerebellum, and the brain stem.
All 5 human senses:
Sight, Hearing, Touch, Taste, and Smell.
Your organ of sight:
Eyes
What controls the amount of light that enters by making the pupil larger or smaller.
Iris
What organ collects sound?
Ears
What acts like a funnel to collect sound waves.
The outer ear
receives messages about heat, cold, pressure, and pain.
The skin
The four tastes are...?
sweet, sour, bitter, and salty.
Receptor cells in the nose sense what?
Smells
