Excretion

Excretion

Your body removes waste as a gas (carbon dioxide), as a liquid (urine and sweat), and as a solid. Excretion is the process of removing wastes and excess water from the body.

CK-12 (Middle School)

ESSENTIAL QUESTION:

How does the body remove its waste?
STANDARDS:
RST.1 - Analysis & Evidence, RST.2 - Main Ideas

DEPTH OF KNOWLEDGE (DOK) LEVELS:

1,2
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