| A | B |
| acetaminophen/ibuprofen | can be considered poison to the body |
| excretory system | human body system that functions in the removal of liquid waste |
| cell | basic unit of life |
| liver | largest organ in the human body besides the skin,also functions similar to a traffic cop |
| heart | organ that circulates blood throughout the body |
| mouth | digestion starts and where food is broken into smaller pieces |
| colon | the other term for the large intestine |
| arteries | part of the heart that carries blood away from the heart |
| veins | carries blood to the heart |
| atrium | singular term for atria |
| tar | dark sticky substance in tobacco |
| nicotine | addictive substance found in tobacco |