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Respiratory System
Science body system - Respiratory
| Term | Definition |
|---|---|
| RBC (Red Blood Cell) | Blood cell containing hemoglobin, which carries oxygen to your body's tissues |
| WBC (White Blood Cell) | Blood cell that fights diseases |
| Platelet | Tiny blood cells that help your body form clots to stop bleeding. |
| Atrium | The upper blood collection chamber of the heart. Holds blood from the superior/inferior vena cava, anterior/smaller cardiac veins, and the coronary sinus. |
| Ventricle | The lower blood collection chamber of the heart. It is separated from the atrium by a valve . The left ventricle is the main thing that pumps blood around the body, and is more muscular than any of the other chambers. |
| Heart | A muscular organ that pumps blood to the lungs and around the body. |
| Artery | Blood vessel that carries oxygenated blood away from the heart. |
| Vein | Blood vessel that carries deoxygenated blood to the heart |
| Capillary | Blood vessel that connects arteries and veins |
| Route of Blood | Right Atrium, Tricuspid Valve, Right Ventricle, Pulmonary Arteries, Lungs, Pulmonary Veins, Left Atrium, Mitral Valve, Left Ventricle, Aorta, Body |
| Trachea | A tube surrounded by rings of cartilage, connecting the larynx to the bronchial tubes. Referred to as "windpipe." |
| Larynx | Forms an air passage to the lungs, and houses the vocal cords. |
| Pharynx | Cavity connecting the nose and mouth to the esophagus. |
| Valve | "Gates" that control and filter blood flow. They can be found in the heart and in the veins. |
| Diaphragm | A sheet of skeletal muscle that contracts and expands, helping to inflate the lungs. It is directly beneath them. |
| Lungs | The primary organ of human respiration. Their job is mostly to collect and transfer oxygen to the bloodstream and filter out carbon dioxide. |
| Bronchi | Two tubes which conduct air into the right and left lungs, then breaking off into smaller and smaller branches called bronchioles. |
| Bronchioles | Minute branches where the bronchus divides, which end in alveoli |
| Alveolar Sacs | Sacs which contain bunches of alveoli. |
| Alveoli | Clusters of these have thin walls, allowing oxygen to pass through them from the lungs and into the bloodstream. They also pick up carbon dioxide from the bloodstream. |
Created by:
Swald
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