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29 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Breathing |
The mechanical process whereby air moves in and out of the lungs |
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Gaseous exchange |
The exchange of O2 and CO2 across a gaseous exchange surface |
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Cellular respiration |
The gradual release of energy from organic compounds in the presence of oxygen |
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Diffusion |
The movement of molecules from a high concentration to a low concentration until the equilibrium is reached |
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Spongy mesophyll cells |
Cells inn the leaf with a large surface area for gaseous exchange |
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Epidermis |
Layer of earthworms skin that is kept moist for effective gaseous exchange |
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Tracheae |
Extensive tubes through which gaseous exchange takes place through locusts |
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Gills |
Structures for gaseous exchange in fish |
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Alveoli |
Gaseous exchange surface in human lungs |
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Ciliated epithelium |
Type of epithelium which lines the air passages |
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Larynx |
The structure at the top of the trachea that houses the vocal chords |
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Epiglottis |
Small opening that closes the opening to the trachea during swallowing |
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Pleura |
Double membrane surrounding the lungs |
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Diaphragm |
Dome-shaped muscle that separates the chest and abdominal cavity |
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Squamous epithelium |
Type of epithelium occurring in the walls of the alveoli |
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Endothelium |
Single layer of squamous epithelium occurring in the walls of the capillary blood vessels |
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Intercostal muscles |
Muscles between consecutive ribs |
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Inhalation |
The phase of breathing which is usually an active process |
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Haemoglobin |
The protein in blood which transports the bulk of oxygen |
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Carbaminohaemoglobin |
The compound formed when carbon dioxide combines with haemoglobin when being transported |
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Medulla oblongata |
The part of the brain which contains the respiratory centre |
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Cardiovascular centre |
Part of the medulla oblongata that controls the heart rate |
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Tidal volume |
The normal amount of air breathed in and out |
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Residual volume |
The air still in the lungs after a full expitory reverse volume has been exhaled |
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Antibiotics |
Medication for the treatment of TB |
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Allergen |
A trigger that sets off an allergic reaction |
Hay fever |
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Emphysema |
Lung desiase in which the walls of the alveoli tear and form holes as a result of excessive smoking |
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Nicotine,tar,carbon monoxide |
The three harmful toxins found in the smoke of a cigarette |
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Ventilator |
The machine responsible for artificial breathing |
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