| 1. brain |
the organ of the human body responsible for controlling the activities of other organs and body functions, interpreting information received from nerves, and responsible for thought, memory, and emotions |
| 2. bones |
the hard, porous individual pieces of a skeleton that support and protect organs |
| 3. blood |
the fluid that is circulated throughout the body delivering oxygen and nutrients, and carrying waste to the kidneys |
| 4. cranium |
the hard bone structure of the head that encases and protects the brain |
| 5. femur |
the upper bone of the leg found between the hip and knee |
| 6. humerus |
the upper bone of the arm, between the shoulder and elbow |
| 7. heart |
the organ of the human body responsible for pumping and maintaining the flow of blood throughout the body |
| 8. kidneys |
the organs of the human body responsible for filtering waste out of the blood and regulating water and electrolyte balance |
| 9. liver |
the organ of the human body responsible for the proper metabolism of fat, carbohydrates, and protein |
| 10. lungs |
the organs of the human body responsible for removing carbon dioxide from the blood and supplying the blood with oxygen |
| 11. muscle |
fibrous tissue in the human body that contracts and retracts allowing different body parts to move |
| 12. nerves |
cordlike fibers throughout the body that receive sensory input allowing the brain to react to certain conditions |
| 13. skeleton |
the frame of the human body, made up of individual bones, providing protection and support for internal organs |
| 14. spine |
the bone structure, consisting of several small bones, that runs down the length of the back and provides the overall support for the upper body and protects the main nerve cord that relays responses from the rest of the body to the brain |
| 15. vertebra |
the individual small bones that form the spine |
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