Terminology
| Term | Explanation |
|---|---|
| energy | A "power" that your body gains from sugar. Muscle cells use energy to contract. |
| oxygen | A substance released by plants during photosynthesis. Humans breathe oxygen from air. Cells need oxygen to function. |
| Term | Explanation |
|---|---|
| energy | A "power" that your body gains from sugar. Muscle cells use energy to contract. |
| oxygen | A substance released by plants during photosynthesis. Humans breathe oxygen from air. Cells need oxygen to function. |