How can we help?

You can also find more resources in our Help Center.

9 terms

6th Grade Science Human Body

STUDY
PLAY
Odor Molecules
Our nose is able to discriminate between different _______ in the air.
Chemicals
Odor molecules are tiny bits of _____ floating in the air.
Odor Molecules
Come from food, flowers, rotten garbage, or other things with smells.
Olfactory Receptors
Microscopic nerve cells that detect smell and send the signals onto the brain (size of postage stamp)
Scent
Many odors are not just a single ____ but a whole mixture of them.
Cilia
small hair-like structures far back in the nasal cavitiy that sweep back and forth.
Mucus
thin, clear ____ that dissovles odor molecules not already in vapor form.
Cilia
Covered with a thin, clear mucus
Brain
must analyze over 300 different odor molecules to identify the smell of a rose