Allergies, so they don't ingest something they are allergic to.
Bronchitis: an inflammation of the bronchial tubes.
Answer: C
Answer:
True
Explanation:
Unlike arteries, veins contain valves that ensure blood flows in only one direction. (Arteries don't require valves because pressure from the heart is so strong that blood is only able to flow in one direction.) Valves also help blood travel back to the heart against the force of gravity.
Answer:
A fingernail polish
Explanation:
i like to eat it it tastes very good
Answer:elctrocution, explosion,fire,arc flash is all of the answers
Explanation: