Human Health

• Digestion and nutrition

  Teaching objectives: To give students an understanding of the nutrients found in food and their functions in human nutrition. To enable students to understand the function of each of the six nutrients.
• Why do we need food?

  Food is needed for: Energy, Growth, Repair, Prevent deficiency diseases.
• Main nutrients in foods

  • Protein
  • Carbohydrate
  • Fat
  • Vitamins
  • Minerals
  • Water
• Protein

  Healthy source: Fish, eggs, beans, lean meat, poultry. Function in the body: Growth and repair.
• Carbohydrates-Starch

  Healthy source: Brown bread, pasta and rice. Function in the body: Energy.
• Carbohydrates-Sugar

  Healthy source: Fruit. Function in the body: Energy.
• Carbohydrates-Fibre

  Healthy source: Fruit, wholemeal cereal. Function in the body: Causes peristalsis in the digestive system.
• Fat

  Healthy source: Vegetable oils and oily fish. Function in the body: Cell membranes.
• Key words

  • Fat
  • Carbohydrate
  • Protein
  • Nutrition
  • Deficiency
• Key points

  • Human nutrition is associated with the foods that are essential of the body and how the body uses those foods to support life and health.
  • There are SIX main found groups.

  
• Human health

  The state of complete physical, mental and social well-being, and not merely the absence of disease or infirmity
• Teaching objectives

  • To help students evaluate how human health is affected by inherited factors
  • To give students an understanding of how nutrition affects human health
  • To give students an understanding of how lifestyle choices affect human health
• Balanced diet

  Includes the correct amount of protein, carbohydrate, fat, minerals, vitamins and water
• Balanced diet

  • Depends on age
  • Depends on gender
  • Depends on activity
• Benefits of eating well

  • A lower risk of diseases, for example heart disease
  • Stronger muscles and bones- improves mobility
  • A healthy body mass- protects joints and improves mobility
  • Feeling better
• Good eating tips

  • Enjoy a variety of foods from the five food groups
  • Eat lots of different coloured fruit and veg minimum of five a day
  • For protein, choose lean meat, chicken, turkey, fish and peas
  • Limit your salt intake
  • Drink plenty of water
• Water

  Essential to human health
• Energy value

  The amount of energy that you get from a food, measured in kilojoules (kJ) per gram
• Different foods provide different amounts of energy
• Food labels list ingredients in order of decreasing mass
• Activity

  It is recommended that young people take part in moderate to vigorous activity for a minimum of 60 minutes each day
• Smoking effects

  • Sagging, wrinkly skin
  • Yellow teeth
  • Red eyes
• Learning outcomes

  • Explain the meaning of the word health
  • Give an example of an inherited human disorder
  • Describe how environmental factors affect human health
  • Explain how important nutrition is to human health
  • Interpret nutritional information on food packaging