| A | B |
|---|
| a blood vessel that moves oxygen rich blood away from the heart | artery |
| the liquid that is moved by the heart through the body in blood vessels | blood |
| a hard, white piece of the skeleton | bone |
| spongy material that produces blood cells and is found in the center of bones | bone marrow |
| the control center of the nervous system | brain |
| the part of the brain that controls basic body functions such as breathing, heart rate, and blood pressure | brain stem |
| a clear gas that is given off as a waste product during breathing | carbon dioxide |
| the type of muscle found in the heart | cardiac muscle |
| the tiny parts that all plants and animals are made of | cells |
| the part of the brain that controls muscles, movement, and balance | cerebellum |
| the largest part of the brain, which controls thinking, feeling, and some of the senses | cerebrum |
| the body system that moves blood throughout the body | circulatory system |
| a sheet of muscle that allows the lungs to take in and release air | diaphragm |
| the body system that breaks down food to give the whole body the nutrients it needs | digestive system |
| the tube that connects the throat to the stomach | esophagus |
| the body system that removes waste and poisons from the body | excretory system |
| the organ that pumps blood throughout the body | heart |
| a place where two bones meet | joint |
| a pair of excretory organs that filter waste products from blood | kidneys |
| the thick, lower end of the digestive system in which water is removed from digested food | large intestine |
| a large excretory organ that filters blood and helps with digestion | liver |
