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Unit 8 Human Body
Vocabulary Words
| Term | Definition |
|---|---|
| Organ | a body part that is made of smaller parts that work together to do a certain job |
| Organism | a living thing |
| Organ System | a group of organs that work together to do a job for the body. |
| Brain | the organ in the human body that processes information |
| Skin | the human body's largest organ, which covers the outside of the body. |
| Bone | a hard organ that has a spongy layer inside and that may help support the body or protect other organs |
| Muscle | an organ made of bundles of long fibers that can contract to produce movement in living things |
| Exoskeleton | a hard covering, found in many types of animals, that support and protects the body |
| Lungs | the largest organs in the respiratory system that bring oxygen from the air into the body and release carbon dioxide. |
| Stomach | a baglike organ in which food is mixed with digestive juices and squeezed by muscles |
| Liver | a large organ that makes a digestive juice called bile. |
| Pancreas | an organ that makes digestive juice and insulin. |
| Kidneys | organs in the human excretory system that removes waste materials from the blood. |
| Bladder | an organ in the excretory system that stores and releases urine. |