Section 3: Energy Balance

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Section 3Energy Balance
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Introduction

• Energy in energy out change in fat
• OR
• Food eaten energy used change in fat

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Energy In

• For every 3,500 calories you eat, you gain 1 lb.
  of body fat.
• For every 3,500 calories you USE, you LOSE 1 lb.
  of body fat.

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Energy Out

• Basal Energy supports the work your body does
• Beating of the heart
• Inhaling and exhaling of air
• Maintenance of body temperature
• Working of the nerves and glands
• Voluntary Energy movements done by body because
  of commands given to brain
• Factors
• Number and size of muscles that are working
• Total weight of the body parts being moved
• Length of time of exercise
• Amount of effort put into movement

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Put this into your own words

• The balance between food energy taken in and
  energy spent determines how much fat a persons
  body stores in its fat tissues or how much it
  uses from storage. Two major ways in which the
  body spends energy are for basal processes and
  voluntary activities.

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Section 3 Review