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16 Cards in this Set
- Front
- Back
Define respiration.
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A chemical reaction carried out by all living cells where glucose and oxygen react to produce carbon dioxide, water and releases energy.
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What is the primary objective for the respiratory system?
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Supply the blood with oxygen, it does this through breathing.
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What is the Trachea?
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Transfers air from throat to lungs. Catches dust. Can collapse for large food. A pipe surrounded with 15-20 C shaped rings. It connects the throat to the bronchi. |
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What is the bronchi?
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It transfers air to lungs. It has one tube for each lung.
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What are bronchioles?
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They transport air. Less than 1mm diameter. Lead to alveolar sacs.
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What are alveoli?
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Hollow cavities inside alveolar sacs. Thin walls to exchange oxygen and carbon dioxide. Moves oxygen to blood. They are surrounded by capillaries.
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What is the main function of the respiratory system?
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exchange gases
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What is the more scientific name for the windpipe?
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Trachea
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What is the function of the diaphragm?
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To control inhalation and exhalation
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What is the equation for respiration?
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Sugar + oxygen --> carbon dioxide + water+ energy
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What are the air sacs where gas exchange occurs called?
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Alveoli
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What are the tubes that branch from the trachea called?
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Bronchus, (bronchioles) or Bronchi
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What is the function of cilia?
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To catch dust and clean lungs.
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What is the movement of substances from highest concentration to lowest called?
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Diffusion
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What is the function of cartilage in the trachea?
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To hold open the trachea to allow air flow.
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What are the muscles between the ribs that help the diaphragm?
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Intercostal muscles
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