Explanation:
1.
3.
CHALLENGE (EVALUATION)
Directions: From the given paragraph, write the element or compound given, its
chemical formula and its constituent elements.
In the lungs, oxygen (0) from the air enters the blood. At the same time, the
you exhale. Some water (H₂O) also leaves the body when you exhale, which is why
waste gas, carbon dioxide (CO) leaves the blood and then leaves the body when
s get foggy when you breathe on them. This process of gas exchange is what
mirrors
we call respiration.
ELEMENT/
COMPOUND
CHEMICAL
FORMULA
CONSTITUENT
ELEMENTS
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