About Lesson
– Energy is that force or power that enables the body to carry on the life sustaining activities.
– Energy is produced as a result of breakdown of CHO, fat and protein in the body.
– Energy is required in the body to perform the following functions :
a) Mechanical work
b) Maintain the body tissue
c) Growth
In the body the energy is available in four basic forms:
a) Chemical energy (synthesis of new compound)
b) Mechanical energy (muscle contraction)
c)Electrical energy (brain and nerve activity)
d) Thermal energy (regulation of body temperature)
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