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Biology 20 Respiratory and Motor System Exam Questions and Answers
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Biology 20 Respiratory and Motor System Exam Questions and Answers
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Biology 20: Respiratory and MotorSystem Exam Questions and Answers
breathing - Answers -the process of the exchange of air between the lungs and the
environment , including inspiration and expiration
respiratory membrane - Answers -the membrane where the diffusion of oxygen between
the living cells of the body and the external environment (the atmosphere or water)
respiration - Answers -all processes involved in the exchange of oxygen and carbon
dioxide between cells and the environment, including breathing gas exchange, and
cellular respiration
trachea - Answers -the windpipe
cilia - Answers -tiny Hairlike structures found on some cells that sweep away foreign
debris.
Epiglottis - Answers -The structure that covers The glottis (Opening of the trachea)
during swallowing
larynx - Answers -the voice box
Bronchi - Answers -the passages from the trachea to the left and right lung
Bronchiole - Answers -The smallest passageways of the respiratory tract
Alveoli - Answers -Sacs of the lung in which gas exchange occurs
Plueral membrane - Answers -a thin membrane that surrounds the outer surface of the
lungs and lines the inner wall of the chest cavity
diaphragm - Answers -a sheet of muscle that separates the organs of the thoracic cavity
from those of the abdominal cavity
intercostal muscle - Answers -a muscle that raises and lowers the rib cage
hemoglobin - Answers -the oxygen carrying molecule in red blood cells
oxyhemoglobin - Answers -hemoglobin that is bound to oxygen
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