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LCE Science

Ch 4: Respiration and Excretion Sec 1: The Respiratory System

TermDefinition
respiration the process in which oxygen and glucose undergo a complex series of chemical reactions inside cells; also called cellular respiration
cilia tiny hair-like extensions that move together in a sweeping motion
pharynx the throat; part of both the respiratory and digestive system
trachea the windpipe; a passage through which air moves in the respiratory system
bronchi the passages that direct air into the lungs
lungs the main organs of the respiratory system
alveoli tiny sacs of the lung tissue specialized for the movement of gases between air and blood
diaphragm a large, dome shaped muscle that plays an important role in breathing
larynx the voice box; located in the top part of the trachea, underneath the epiglottis
vocal cords folds of connective tissue that stretch across the opening of the larynx and produce a person's voice
Created by: LCEclass
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