Biology ( food and digestion)

• Carbohydrates


  an energy source
• Lipids (fats)


  An energy source
• Proteins


  for growth and repair of tissues.
• Vitamins 


  help prevent deficiency diseases.
• Minerals


  are needed for key chemicals in your body.
• Fibre


   helps keep you regular and avoid constipation.
• Water


  so that you can stay hydrated.
• Scurvy 


  This comes from not eating enough vitamin C. It causes issues in your connective tissues
• Rickets 


  This comes from not eating enough vitamin D. This vitamin is vital for bone development so not consuming enough will lead to a softening of your bones and give you bowed legs.
• Goitre 


  This comes from not eating enough iodine. The thyroid gland in your neck swells up.
• Anaemia


  This comes from eating enough iron. It is where you don’t have enough red blood cells. Iron is a key component of haemoglobin, the chemical that transports oxygen around your body. This is why blood has a metallic taste.