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Respiratory & Immune System Vocabulary
Respiratory System Exchange Immune System White Blood Cells Viruses
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1. Respiratory System Structure: Function:
Mouth and Nose Trachae Lungs Bronchi Bronchioles Diaphragm Function: 1.Transport air into the lungs 2. Exchange oxygen for carbon dioxide to exhale waste 3. Provides oxygen to the bloodstream
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2. Exchange – the diffusion of oxygen into the blood stream for carbon dioxide
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3. Immune System Structures: Thymus Tonsils Spleen White Blood Cells
Function: 1. Protects the body from foreign invaders.
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4. White Blood Cells – blood cells that engulf and digest bacteria and fungi; an important part of the body's defense system
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5. Virus – microscopic non-living organism that replicates itself only within cells of living hosts; made of DNA or RNA with a coat of protein
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