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diseases caused by deficiency of VITAMINS & MINERALS (Science)

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  • 1. SCIENCE 7 th - BY PANKTI DAVE HEALTH AND DISEASE
  • 2. This lesson covers various diseases caused by deficiency of VITAMINS & MINERALS in our diet.
  • 3.
    • A balanced diet and clean surroundings are necessary for good health.
    • A balanced includes all food constituents.
    • Body needs VITAMINS & MINERALS in very small amounts.
    • Deficiency of these can cause DISEASE .
  • 4. VITAMINS
    • Vitamins has a specific & vital function in body.
    • Its essential for growth & development of body.
  • 5. Disease caused by deficiency of vitamin C (ASCORBIC ACID)
    • Vitamins are required for joints, bones, teeth, gums etc.
    • Deficiency of vitamin C causes
    • SCURVY ( in adults)
    • WEAKENS LIMBS ( in children)
  • 6. Sources of vitamin C
    • Lemons
    • Amla
    • Oranges
    • Sweetlime
    • Leafy vegetables
    • Fresh fruits
  • 7. DISEASE CAUSED BY DEFICIENCY OF VITAMIN D
    • Vitamin D is essential for
    • Development of bones
    • Absorption of calcium & phosphorous in body
    • Deficiency of vitamin D causes
    • RICKETS ( Young children). Bones become soft & get bent.
  • 8. SOURCES OF VITAMIN D
    • Sunlight
    • Cod liver oil
    • Shark liver oil
    • Egg
    • Butter
    • Cow’s milk
  • 9. CALCIUM Calcium essential for FORMATION OF BONES
    • Deficiency of calcium causes
    • Teeth to wear away
    • Makes BONE BRITTLE
  • 10. Sources of calcium
    • Milk & milk products
    • Wheat
    • Leafy vegetables
    • Cabbage
    • Carrots
    • Oranges
    • Almonds
  • 11. PHOSPHOROUS Phosphorous essential for GROWTH & DEVELOPMENT of body
    • Deficiency of phosphorous causes
    • Loss of weight
    • Stunted growth
  • 12. SOURCES OF PHOSPHOROUS
    • Cereals
    • -Wheat
    • -Bajra
    • -Corn
    • Pulses
    • -Udid dal
    • -Moong dal
    • Egg yolk
    • Milk
    • Leafy vegetables
  • 13. IRON
    • Iron is important CONSTITUENT OF BLOOD
    • Gives blood RED COLOUR
    • Supplies OXYGEN to body
    • Essential for producing RBC’S in body
    • Deficiency of iron causes
    • ANAEMIA
    • An anaemic person gets tired easily.
    • Pregnant women need more iron.
  • 14. SOURCES OF IRON
    • Wheat
    • Jaggery
    • Leafy vegetables
    • Dates
  • 15. IODINE
    • Iodine is important for body
    • An important constituent of hormone
    • Thyroxine
    • Thyroxine is secreted by thyroid gland in neck
    • Deficiency of iodine causes
    • GOITRE
    • Goitre leads to irregular growth of thyroid gland
  • 16. SOURCES OF IODINE
    • Use of iodised salt in food preparation
  • 17. ILL EFFECTS OF INTOXICATING SUBSTANCES
    • Intoxicating substances are very harmful to human body
    • They can be at times fatal to health
  • 18. INTOXIC SUBSTANCES INCLUDES
    • Chewing tobaco
    • Smoking cigarettes or bidis
    • Drinking alcohol
    • Taking drugs
  • 19. Chewing tobaco or gutkha can cause
    • CANCER OF MOUTH
    • People who chew paan or tobaco, spit in public places.
    • The germs in the spit spread diseases.
    • Smoking cause deposition of TAR in lungs causing CANCER
    • Remember “SMOKING IS INJURIOUS TO HEALTH”
  • 20.
    • Drinking alcohol and taking drugs has harmful effects on NERVOUS SYSTEM
    • The person may loose his mental balance
    • Overuse of such substances can be fatal
  • 21. SUMMARY
    • Balanced diet and clean environment are necessary for maintaining good health
    • Deficiency of vitamins and minerals cause many disease
    • Growing children have greater need of calcium
    • Intoxicating substances have adverse effects on nervous system
  • 22. EVALUATION
    • Q. Which is the main source of vitamin D?
    • Ans : Sunlight is the main source of vitamin D.
    • Q. What are the ill effects of drinking alcohol?
    • Ans : Drinking alcohol has harmful effects on nervous system.
    • Q . Which disorder is related to lack of iodine?
    • Ans : Goitre is related to lack of iodine.
    • Q. Name the sources of vitamin C?
    • Ans : Lemon, Amla,Oranges,Sweetlime,Leafy vegetables,Fresh fruits are sources of vitamin C .
  • 23.