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Chapter 15 Science
15A 15B 15C
| Term | Definition |
|---|---|
| Nasal cavity | A large air-filled space above and behind the nose in the middle of the face. |
| pharynx | The section of the digestive tract that extends from the mouth and nasal cavities to the larynx, where it becomes continuous with the esophagus. |
| larynx | The part of the respiratory tract between the pharynx and the trachea, having walls of cartilage and muscle and containing the vocal cords enveloped in folds of mucous membrane. |
| trachea | A thin-walled, cartilaginous tube descending from the larynx to the bronchi and carrying air to the lungs. |
| bronchus | A thin-walled, cartilaginous tube descending from the larynx to the bronchi and carrying air to the lungs. |
| alveolus | A small angular cavity or pit, such as a honeycomb cell. |
| atrium | A rectangular court |
| ventricle | A small cavity or chamber within a body or organ, |
| artery | Any of the muscular elastic tubes that form a branching system and that carry blood away from the heart to the cells, tissues, and organs of the body. |
| vein | Any of the membranous tubes that form a branching system and carry blood to the heart from the cells, tissues, and organs of the body. |
| capillary | a tube of small internal diameter; holds liquid by capillary action |
| valve | Any of various devices that regulate the flow of gases, liquids, or loose materials through piping or through apertures by opening, closing, or obstructing ports or passageways. |
| red blood cell | A cell in the blood of vertebrates that transports oxygen and carbon dioxide to and from the tissues. In mammals, the red blood cell is disk-shaped and biconcave, contains hemoglobin, and lacks a nucleus. |
| white blood cell | Any of various nucleated blood cells that lack hemoglobin and function in the immune system to protect against agents of infection and foreign matter. White blood cells include neutrophils, eosinophils, basophils, lymphocytes, and monocytes. |
| platelet | A minute, nonnucleated, disklike cytoplasmic body found in the blood plasma of mammals that is derived from a megakaryocyte and functions to promote blood clotting. |
| plasma | |
| pulse | |
| blood pressure | |
| lymph | |
| lymph node |
Created by:
hlshepherd
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