HELP PLEASE 50 POINTS What is the correct definition of a 'calorie'?

1)a substance the body needs to function
2)a guide for making healthful daily food choices
3)a unit of heat that measures the energy available in foods
4)a process of taking in food and using it for energy, growth, and good health

3. A unit of heat that measures the energy available in foods

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menstruation is a process in which blood and mucous flows out every month through the vagina. this process occurs every month because one egg is released from the ovary every month and at the same time, the uterus (womb) prepares itself to receive the fertilized egg.

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the role of the practice manager is to ensure that all communucation is appropriate, respectful, timely, and compliant

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