Air enters the nostrils and receptors inside the nasal cavity catch different smells, sending this information along the olfactory nerve to the brain. The brain then interprets what we can smell and sends this information to the locomotor system.

1. 1. Air enters the nostrils.
2. The receptors inside the
nasal cavity catch the
different smells.
3. The receptors are
connected to the olfactory
nerve.
4. The olfactory nerve sends
the smells to the brain.
5. The brain interprets what
we can smell.
6. The brain sends the
information to the locomotor
system.