( BIOLOGY) Nutrition and energy

• Give three reasons why our bodies need energy

  For Brain and nerve function , muscle contraption , maintaining body temperature
• What are some consequences of surplus energy intake

  Obesity , raised risk of diseases such as diabetes and heart disease
• What are some consequences of insufficient energy intake?

  impaired growth and development in children , increased infections , irregualr menstrual cycles in females , nutrient deficiency diseases like scurvy and rickets
• What factors influence an individuala daily energy requirements?

  age , activity level , pregnancy , body mass
• What is the basic energy requirement (BER)?

  Estimate for the energy needed for bodily functions at rest
• How do you calculate the basic energy requirement (BER) ?

  5.4 x 24 hours x mass (kg)
• How does pregnancy affect energy requirements?

  because the baby growing inside them requires a lot of energy