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28 Cards in this Set
- Front
- Back
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lungs
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2 spongy sac like respiratory organs, in the chest together with the hear. They remove carbon dioxide for the blood and provide the blood with oxygen
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mucous membrane
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the lining of the nose, throat, digestive tract and other passages of the body that are open to the air. It consists of 4 glands that secrete mucous
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nostril
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either of 2 external openings in the nose. Air is breathed into the lungs and odors are detected by ofactory bulbs in the upper nostrils
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oxygen
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a colorless, odorless, and tasteless gaseous element, that forms about 1/5 of the atmosphere. Humans, animals and plants need it to survive.
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respiration
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the energy releasing process by which a living organism or cell obtains oxygen from the air or water, distributes it to the cells, uses it for oxidation of food materials and gives off carbon dioxide
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throat
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the part of the bodt passing from the mouth through the neck to the stomach or the lungs
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trachea
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a thin walled tube of cartilaginous tissue decending from the larynx to the bronchi and carrying air to the lungs
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voice box
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the larynx
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alveoli
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the air cells in the lungs
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bronchi
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two main chambers of the trachea or bronchus, leading directly to the lungs
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Bronchial tube
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a bronchus or any of its branches
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cappillaries
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blood vessels with a very slender opening. Cappollaries join the end of an artery to the beginning of a vein
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carbon dioxide
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a colorless, odorless, incombustible gas fromed during respiration.
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cilia
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very small, hair-like projections composed of microtubules and capable of a whip like motion found in certain kind of cells
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diaphragm
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a dome-shaped partition composed of muscles and rttendons which seperates the cavity of the chest from the cavity of the abdomen and is important in respiration
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epiglottis
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a thin triangular plate of cartilage that covers the end of the windpipe during swallowing, so food and liquid doesn't get into the lungs
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esophagus
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the tubular passage for food from the pharynx to the stomach
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exhaling
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to release or emit air in the process of respiration
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inhaling
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to take in or absorb oxygen
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larynx
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the upper part og the respiratory tract between the pharynx and the trachea. its lined with cartilage and contains the vocal cords
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espiratory system
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all of the organs needed to bring oxygen into t he body when breathing occurs
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oxygen
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a gas in the air needed for muscles and other cells to carry out their functions
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lactic acid
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a by-product of cellular activity in the muscles that interferes with normal muscle functionand causes cramping
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nasal cavity
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air entering here is filtered, warmed and moistened before it moves on to the lungs
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bronchi
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smaller tubes that branch from the trachea to the lungs
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bronchiole
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smaller branches inside the lungs that carry air to the alveoli
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mucus
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a sticky thick fluid that lines much of the respiratory system. It traps dust and dirt particles.
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diaphragm
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a large muscle under the lungs that expands the chest cavity to allow air into the lungs
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