Your grandfather's surgery might take place in an old folks home or a hospital.
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so basically it's like how one body system works with another body system so it's like telling you how those specific body systems work together so like an example is how cells are eliminated or how the heart cleans carbon and turns it into oxygen more aless or like how a body system works with the other when like connected so what it does or how well it works that's what I'm assuming since I can't see an image
Answer:
Carbohydrates, fats, and proteins provide the energy your body needs to carry out all the biochemical reactions that occur throughout the day (and night). The energy is measured in calories (kilocalories, technically, but we usually just call them calories).
Explanation: