The correct answer is:
C. Four food groups
Answer:
back straight, feet flat on the floor, arms at a completable straight position while typing.
Explanation:
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They make your bones stronger because your bones have to maintain to hold the weight.
This activity requires students to drag organs of different body systems into the human body cartoon (Arnold) classifying them according to certain systems (digestive, skeletal, circulatory/respiratory, and nervous).
Answer:
-carries oxygen and nutrients
-helps produce infection-fighting cells
