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SLSBio12RespBB
SLS Bio12 Respiratory System
| Term | Definition |
|---|---|
| Alveoli | As all air cell in the lungs |
| Aortic bodies | The aortic body is one of several small clusters of chemoreceptors, baroreceptors, and supporting cells located along the aortic arch. |
| Bicarbonate ions | (Bicarbonate ion) In inorganic chemistry, bicarbonate is an intermediate form in the deprotonation of carbonic acid. It is an anion with the chemical formula HCO3−. Bicarbonate serves a crucial biochemical role in the physiological pH buffering system. |
| Bronchi | Two main branches of the trachea that go into the lungs. This then further divides into the bronchioles and alveoli. |
| Bronchioles | Any of the smallest bronchial tubes, usually ending in alveoli |
| Carbaminohemoglobin | Carbaminohemoglobin is a compound of hemoglobin and carbon dioxide, and is one of the forms in which carbon dioxide exists in the blood. 10% of carbon dioxide is carried in blood this way |
| Carbon dioxide | A chemical compound composed of two oxygen atoms linked to a single carbon atom by covalent bonding, and essential to many biochemical and biological processes. |
| Carbonic anhydrase | an enzyme that catalyzes the interconversion of dissolved bicarbonates and carbon dioxide. |
| Carotid bodies | a small mass of receptors in the carotid artery sensitive to chemical change in the blood. |
| Cilia | a short, microscopic, hairlike vibrating structure. Cilia occur in large numbers on the surface of certain cells, either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion |
| Diaphragm | a dome-shaped, muscular partition separating the thorax from the abdomen in mammals. It plays a major role in breathing, as its contraction increases the volume of the thorax and so inflates the lungs |
| Exhalation | the process or action of exhaling co2. |
| External respiration | breathing: the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air and releasing carbon dioxide by exhalation |
| Hydrogen ions | a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus |
| Inhalation | process of inhaling o2 |
| Intercostal rib muscles | in human physiology, any of a series of short muscles that extend between the ribs and serve to draw them together during inspiration and forced expiration or expulsive actions. |
| Internal respiration | The metabolic processes whereby certain organisms obtain energy from organic molecules. |
| Larynx | the hollow muscular organ forming an air passage to the lungs and holding the vocal cords in humans and other mammals; the voice box. |
| Lungs | each of the pair of organs situated within the rib cage, consisting of elastic sacs with branching passages into which air is drawn, so that oxygen can pass into the blood and carbon dioxide be removed. |
| Mucus | a slimy substance, typically not miscible with water, secreted by mucous membranes and glands for lubrication, protection, etc. |
| Nasal cavity | either of the two cavities lying between the floor of the cranium and the roof of the mouth and extending from the face to the pharynx |
| Oxygen | Odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. |
| Oxyhemoglobin | a bright red substance formed by the combination of hemoglobin with oxygen, present in oxygenated blood. |
| pH | a figure expressing the acidity or alkalinity of a solution on a logarithmic scale. |
| Pharynx | the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus. |
| Pleural membranes | In human anatomy, the pleural cavity is the potential space between the two pleurae of the lungs. |
| Reduced hemoglobin | A combination of hemoglobin and carbon dioxide that is found in venous blood. |
| Respiratory centre in the medulla oblongata | lowermost part of brain stem and senses O2 and CO2 levels in the blood |
| Respiratory tract | the passages through which air enters and leaves the body |
| Ribs | 12 pairs of bones that protect various organs in the body |
| Stretch receptors | Receptor's that are sensitive to elongation, especially those in golgi tendon organs and muscle spindles, but also those found in visceral organs such as the stomach, small intestine, and urinary bladder. |
| Thoracic cavity | the cavity in the vertebrate body enclosed by the ribs between the diaphragm and the neck and containing the lungs and heart |
| Trachea | a large membranous tube reinforced by rings of cartilage, extending from the larynx to the bronchial tubes and conveying air to and from the lungs; the windpipe. |
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Bbaker12
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