Keeping Healthy - B1

Healthy Body
1. Balanced diet
  1. Right balance of food groups
    1. = right amount of food and energy
      1. - carbohydrates
        - fats
        - proteins
        mineral ions and vitamins
  2. Malnourished
    1. diet is not balanced
    2. take in more or less energy
      1. or... fewer nutrients in food than they need
    3. Leads to being...
      1. underweight
      2. overweight
      3. having deficiency diseases
2. Regular Exercise
Our bodies provide environment for microbes
1. Microbes can make you very ill
  1. BODY STOPS MICROBES GETTING IN
    1. Vaccination
      1. Prevents infections
Metabolic rate
1. * the rate at which all chemical reactions in cells take place
2. affected by:
  1. how active the person is
  2. the physical fitness of the person
  3. the proportion of muscle to fat in the body
  4. inherited factors
    1. genetic diseases
      1. cystic fibrosis
      2. sickle-cell disease
      3. haemophillia
    2. metabolic rate
    3. cholesterol levels
      1. CHOLESTEROL
        * fatty substance made by the body.. essential for health
        animal fats = high quantities of cholesterol
        eat too much = cholesterol in blood increases
        can leave deposits in blood vessels
        causes them to narrow
        can cause heart attacks
3. low metabolic rate = weight gain more likely

Resource summary

	Created by Georgia Freeman almost 10 years ago