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Biology nutrients

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  • Malnutrition:
    😒Having an unbalanced diet can lead to malnutrition. 😒Malnutrition can cause a variety of different health problems in humans
  • The necessary key food groups are:
    Carbohydrates, Proteins, Lipids, Dietary fibre, Vitamins Minerals (mineral ions), Water
  • Dietary fibre
    #Function: provides bulk (roughage) for the intestine to push food through it #Sources: vegetables, whole grains
  • Vitamin D
    helps the body to absorb calcium and is required for strong bones and teeth
  • Vitamin A is found in
    meat, liver, dairy, leafy green vegetables like spinach, and eggs
  • Vitamins and minerals
    #Function: needed in small quantities to maintain health #Sources: fruits and vegetables, meats, dairy products
  • Vitamin A
    is needed to make the pigment in the retina for vision
  • Vitamin C deficiency
    scurvy. It is found in citrus fruits and some green vegetables
  • Iron can be found in
    red meat, liver, leafy green vegetables, and spinach
  • iron
    is needed to make haemoglobin, the pigment in red blood cells that helps to carry oxygen
  • Vitamin D can be found in
    oily fish and dairy products, and is also made naturally by the body in sunlight
  • Calcium deficiency
    A deficiency can lead to osteoporosis later in life
  • Calcium
    is needed for strong teeth and bones and is involved in the clotting of blood
  • Vitamin C
    forms an essential part of collagen protein, which makes up the skin, hair, gums, and bones
  • Obesity
    🎅Taking in more energy than is used
  • Starvation:
    😒taking less energy than is used to over a long period
  • Lipid (fats and oils)
    #Function: insulation and energy storage #Sources: butter, oil, nuts
  • Protein
    #Function: growth and repair #Sources: meat, fish, eggs, pulses, nuts
  • Constipation
    💩Lack of fiber in the diet
  • Water
    #Function: needed for chemical reactions to take place in the body #Sources: water, juice, milk, fruits and vegetables
  • During pregnancy, energy requirements increase as energy is needed to
    support the growth of the developing fetus, as well as the larger mass that the mother needs to carry around.
  • An individual will still require the same key food groups, but in different quantities depending on a number of factors such as
    age, height, sex, activity levels, pregnancy and breastfeeding
  • Carbohydrates
    #Function: source of energy #Sources: bread, cereals, pasta, rice, potatoes
  • Coronary heart disease
    😒Diet too high in saturated fat and cholesterol
  • Calcium is found in
    milk, cheese, and eggs