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unit 5- Anatomy and physiology P4 M1 D1

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unit 5- Anatomy and physiology P4 M1 D1
P4- Explain the physiology of two named body systems in relation to energy metabolism in the body.
Energy is the strength and ability that is required in order to perform physical or mental activities. There are different forms of energy these consist of: magnetic, kinetic, heat, light, gravitational, chemical, sound, electrical, elastic and nuclear.
The law, conservation of energy states that the total amount of energy within a system remains constant at all times, although energy within the system can be changed from one form to another. Energy cannot be created or destroyed, but it can be transformed. The law of conservation of energy states that when energy is being used, it’s not being used up instead it’s being transformed from one form into another.
Most of our energy comes from the fats, carbohydrates and protein in the food we eat. Having energy is important because it supports the functions within the body, this is because an individual needs energy in order to make blood circulate, it’s needed to help breathing and make new cells.
Basal metabolic rate is the estimate of how many calories you’d burn if you did nothing for twenty four hours. It represents the minimum amount of energy needed to keep the body functioning including breathing and keeping the heart beating.
Metabolism is all of the chemical and hormonal reactions that take place within the body that keeps the organs and cells working. Metabolism helps us maintain life.
Anabolism is about storing and building. Anabolism supports the growth of new cells, the maintenance of body tissues, and the storage of energy for use in the future. During anabolism small molecules are changed into larger, more complex molecules of carbohydrate, protein, and fat.
Catabolism is the process that produces the energy that is needed in order to have activity in the cells. In order for this to happen cells breakdown large molecules such as carbohydrates and fats to release energy.
The energy created provides

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