Science Week 04 Nose Tongue

Front 1

The two openings in your nose where air enters.

Back 1

nostrils

Front 2

The space in which the air enters. It is here that dirt is filtered out and moisture and warmth is added.

Back 2

nasal cavity

Front 3

Another name for these are scent molecules. These are what “smelly” things give off and are what we “smell”.

Back 3

Odorant molecules

Front 4

Tiny hairs in your nose that are the chemoreceptors. These receptors send messages to the brain so that you know what you are smelling.

Back 4

olfactory hairs

Front 5

This is the part of the brain that interprets the messages and tells you what you are smelling.

Back 5

olfactory bulb

Front 6

The liquid in your mouth that dissolves food and allows the flavor to be absorbed by the receptor cells.

Back 6

saliva

Front 7

Tiny structures in the papillae, containing gustatory receptor cells. These send signals about chemicals in food to the brain, which interprets them as tastes.

Back 7

taste buds

Front 8

The surface of your tongue is covered with these.

Back 8

papillae

Front 9

The four tastes that your mouth experiences.

Back 9

sweet, sour, bitter, salty