Answer:
<em><u>Solar Cell for Transportation.</u></em>
<em><u>Solar Cell for Transportation.Solar Cells in Calculators.</u></em>
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Explanation:
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Mouth, pharynx, esophagus
Absorption of heat by breaking down hydrogen bonds
The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood.