Question

read this short passage and answer the following question.
olfactory epithelial cells are found on the roof of the nasal cavity. it is these cells that help us identify smell. these cells contain special receptors that are sensitive to smell. when the receptors are stimulated, the impulse travels along the olfactory nerve en route to the brain. the brain interprets the combination of receptors to recognize different smells.
what are the key terms used in the following paragraph to show the text is related to science?
impulse
recognition
olfactory epithelial cells
sensitive

Explanation:

The text is about the biological process of smell perception. "Olfactory epithelial cells" is a scientific term specific to biology (a sub - field of Natural Science). "Impulse" can be a general term, "recognition" is a more general cognitive term, and "sensitive" is a common descriptive term. Only "olfactory epithelial cells" clearly indicates a scientific (biological) context.

Answer:

olfactory epithelial cells