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Rrespiratory System
Bonnie Branch 7th Grade - 18-1 / The Respiratory System
Term | Definition |
---|---|
respiration | The process by which cells break down simple food molecules to release the energy they contain |
cilia | The hairlike projections on the outside of cells that move in a wavelike manner |
pharynx | The throat; part of both the respiratory and digestive systems |
trachea | The windpipe; a passage through which air moves in the respiratory system |
bronchi | The passages that branch from the trachea and direct air into the lungs |
lungs | The main organs of the respiratory system, where gas exchange takes place |
alveoli | Tinay sacs of lung tissue specialized for the movement of gases between the air and the blood |
diaphram | 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 |