Questions

As you were asleep, none of the things could have happened without doing "open your eyes" first.

Most of the water in the body will be lost by kidneys in the form of urine.

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Carbohydrates, together with lipids, proteins and nucleic acids, are one of the four major classes of biologically essential organic molecules found in all living organisms. They not only provide energy for vital metabolic reactions but also supply the building materials for normal structure, growth and repair. Your body needs relatively large quantities of carbohydrates, fats and protein for optimal function, hence their classification as macronutrients.