Which route of entry could chemicals use to enter through the body's airways

The correct answer is - inhalation.

Explanation:

Inhalation is the method of taking air inside the body during the breathing process. During inhalation with the air, other substances and elements that are present in the air get inside the body to the lungs.

Chemicals mainly get in the body and lungs through the process of inhalation however mouth, the skin is also one of the mediums that help in chemicals to get in the body of an individual.

Thus, the correct answer is - inhalation.

answer; the above is true;