| A | B |
| Stomach | J-shaped organ that contains digestive enzymes and strong acid |
| Esophagus | Long tube that connects the throat and carries food to the stomach |
| Villi | Fingerlike structures in the small intestines through which nutrients are absorbed |
| Small Intestines | Long tube which includes the duodenum where digestion is completed and nutrients are absorb |
| Anus | Solid wastes are stored in the rectum and leave the body through this part |
| Liver | Produces bile to aid digestion of fat and enzymes to break down alcohol molecules |
| Atria | Chambers that receive blood returning to the heart |
| Ventricles | Chambers that pump blood out of the heart |
| Capillaries | Blood vessels where materials are exchanged between blood & the surrounding cells |
| Artery | Type of blood vessel, which is under high pressure and carries blood away from the heart |
| Veins | Low pressure blood vessels that carry blood back to the heart |
| Alveoli | Where exchange of carbon dioxide and oxygen takes place in the lungs |
| Pharynx | Passage that leads to the esophagus and trachea |
| Larynx | Contains the vocal cord |
| Trachea | Windpipe that leads to the bronchi |
| Diaphragm | Dome-shaped muscle that helps you breathe |
| Valves | Prevent back flow of blood |
| Blood | Composed of cells and plasma that transport gases, nutrients and wastes |