Nose Flashcards
(9 cards)
What organ is responsible for the sense of smell?
The nose
The nose is the primary sensory organ for detecting smells.
Where are the sensory cells for smell located?
At the roof of the nasal cavity
These sensory cells are tiny and covered with a layer of mucus.
What do chemical substances in the air do in relation to smell?
They dissolve in mucus and stimulate sensory cells to produce nerve impulses
This process allows the brain to interpret different smells.
How many sensory cells for smell are present in the human nose?
About 10 million
These sensory cells are crucial for detecting various odors.
What happens to nerve impulses related to smell after they are produced?
They are sent to the brain to be interpreted
The brain determines the type of smell based on these impulses.
True or False: The sensory cells for smell are not covered by any protective layer.
False
The sensory cells are covered with a layer of mucus.
Fill in the blank: Smells are ________ substances present in the air.
Chemical
This is fundamental to the process of olfaction.
What is the function of the mucus layer in the olfactory system?
It helps dissolve chemical substances to stimulate sensory cells
This is essential for the detection of smells.
What is the primary role of sensory cells for smell?
To detect chemical substances and produce nerve impulses
These impulses are crucial for the perception of smell.
