The 5 Senses

What is a stimulus?

A change in the environment detected by receptors

What is a sense organ?

The organ where receptors are located

What is a receptor?

A specialised cell that detects a stimulus

What is an effector?

A muscle or gland that creates a response

What is the sense organ, stimulus, and receptor for taste?

Tongue > chemicals > taste buds

What is the sense organ, stimulus, receptor and nerve to the brain for hearing?

Ear > sound vibrations > hair cells in the cochlea > auditory nerve

What is the sense organ, stimulus, receptor and nerve to the brain for smell?

Nose > odours > olfactory receptors cells > olfactory nerve

What is the sense organ, stimulus and receptor for touch?

Skin > heat, cold, pressure and pain > nerve endings

What is the sense organ, stimulus, receptor and nerve to the brain for sight?

Eye > light > rods and cones in the retina > optic nerve