1.32. Respiratory System Organs http://www.ck12.org
FIGURE 1.58
"Grape-like" alveoli in the lungs.
Vocabulary
- alveoli: Tiny sacs in the lungs where gas exchange takes place.
- bronchi: Air passages in the respiratory tract that conduct air into the lungs.
- diaphragm: Sheet of muscle that spreads across the bottom of the rib cage.
- larynx: Respiratory organ between the pharynx and trachea; also called the voice box because it allows the
production of vocal sounds. - pharynx: Long, tubular organ that connects the mouth and nasal cavity with the larynx; food and air pass
through it. - trachea: Long, tubular organ, also called the wind pipe, that carries air between the larynx and lungs.
Summary
- The organs of the respiratory system include the lungs, pharynx, larynx, trachea, and bronchi.
Practice
Use the resource below to answer the questions that follow.
- The Respiratory Systemat http://www.youtube.com/watch?v=IWXAhe0w_CE (3:09)
MEDIA
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