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6.4 Gas Exchange

QuestionAnswer
Process that is physical Ventilation and gas exchange
Process that is chemical Cell respiration
Alveolus The tiny bunched air sacs at the end of the bronchioles in the lungs where gas exchange occurs with the circulatory system.
Gas exchange the process of exchanging gases from the environment with gases resulting from metabolism inside an animal's body across a gas exchange surface (where alveoli are beside blood capillaries)
Cell respiration Process where energy is released from food, oxygen consumed
Ventilation the act of supplying fresh air and getting rid of foul air in lungs
What serves to maintain the concentration gradient of respiratory gases? Ventilation and the circulation of blood
Which process releases more energy per glucose molecule - aerobic or anaerobic respiration? Aerobic respiration
What removes CO2 from blood and takes oxygen into blood? Gas exchange
Gas exchange - energy or no energy required? No energy required. Diffusion.
Cartilage Flexible connective tissue found in, e.g. bronchial tube
Bronchiole The first airway branches that no longer contain cartilage. They are branches of the bronchi.
Trachea Membraneous tube covered by cartilage rings that carries air to the lungs
Intercostal muscles muscles between the ribs; they contract during inspiration
diaphragm a muscular partition separating the abdominal and thoracic cavities; functions in respiration
Tidal volume The amount of air breathed in or out during normal respiration.
Tidal volume The amount of air breathed in or out during normal respiration.
Inspiratory reserve volume The amount of air that can be inhaled by forcible inspiration after normal inhalation.
Vital capacity the maximum amount of air that can be exhaled after a maximum inhalation
Sternum a long flat bone in most vertebrates that is situated along the ventral midline of the thorax
Created by: 1532310001
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