| A | B |
| digestive system | organs in which food is broken down into a form that the body cells can use |
| saliva | watery liquid that moistens the mouth and food |
| esophagus | is the muscular tube that connects the mouth to the stomach |
| small intestine | the long, coiled organ where most digestion takes place |
| large intestine | the organ that obsorbs water and salts from undigested material |
| respiratory system | that parts of the body that work together to take air inot the body and push it back out |
| trachea | the air tube the connects the throat to the lungs |
| colon | the organ that pushed unused waste out of the digestive system |
| diaphragm | seperates the chest from the stomach area |
| larynx | the part of the throat that is used in speaking |
| bronchial tubes | carry air fromt he trachea to the lungs |
| circulatory system | transport system of the human body (carries oxygen and nutrients to the cells) |
| heart | the pump that pushes the blood throughout the circulatory system |
| blood vessels | network of tubes that carries the blood |
| blood | a tissue made up of a liquid of plasma and cells |
| arteries | are blood vessels that carry blood away from the heart |
| veins | carries blood to the heart |
| excretory system | the system for ridding the body of harmful wates |
| kidneys | two organs that clean and filter the blood |