The main organ of the respiratory system is the lungs.
Don't put pathogenic contaminants in food keep food natural
C. All forms of tobacco are addictive. Tobacco contains Nicotine, which upon entering the blood stream, affects the user. After frequent uses, the user becomes addicted to the nicotine within the tobacco product.
Heart disease, lung disease, gum disease, throat cancer, halitosis
Answer:
A.
Explanation:
Your current level of fitness.
