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Human Body Week 5
Term | Definition |
---|---|
Respiratory System | The system of the body that brings oxygen into the body and releases carbon dioxide. |
Lungs | Organs of the respiratory system that bring oxygen-rich air into the body and send oxygen-poor air out of the body. |
Respiration | The process of taking in oxygen and releasing carbon dioxide from the body. |
Trachea | The tube in the body through which air moves as it travels to and from the lungs; the windpipe. |
Vocal | Having to do with the voice or speaking. |
Contract | A shortening of the muscle when made tense. |
Relax | A lengthening of the muscle when made less tense, to release. |
Alveoli | Tiny air sacs in the lungs that are the site of gas exchange between the lungs and blood |
Diaphragm | A wide muscle that separates the chest cavity from the abdominal cavity and aids in the inflation of the lungs |
Nose | The beginning point of the respiratory system where air is taken into the body |