Respiration
Taking air into the body through the nose and mouth is called inhalation. Pushing air out of the body through the nose or mouth is called exhalation.
CK-12 (Middle School)
ESSENTIAL QUESTION:
How does oxygen get from the air into all of the cells in your body?
STANDARDS:
RST.2 - Main Ideas
DEPTH OF KNOWLEDGE (DOK) LEVELS:
1,2
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