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Important One word for Competitive Exams

List of Vitamins & their deficiency diseases
1. Vitamin A--------- Night blindness
2. Vitamin B1---------Beriberi
3. Vitamin B2-------- Ariboflavinosis
4. Vitamin B3 --------Pellagra
5. Vitamin B5 --------Paresthesia
6. Vitamin B6 --------Anemia
7. Vitamin B7 ------ Dermatitis, enteritis
8. Vitamin B9 & Vitamin B12 ----- Megaloblastic anemia
9. Vitamin C ------ Scurvy, Swelling of Gums
10. Vitamin D ------ Rickets & Osteomalacia
11. Vitamin E ------ Less Fertility
12. Vitamin K ------ Non-Clotting of Blood.

Human Anatomy
  1. Longest bone in human body Femur (thigh bone)
  2. Hardest material in the human body Tooth enamel
  3. Smallest bone STAPES the middle ear
  4. Strongest muscle Jaw muscle
  5. Largest external organ Skin
  6. Largest internal organ Liver
  7. Smallest gland Pituitary
  8. Largest artery Aorta
  9. Smallest blood vessel Capillary
  10. Element most common in human body Oxygen (65%)
  11. Mineral most common in human body Calcium
  12. Compound most common in human body Water
  13. Pigment which gives a dark colour to the skin Melanin
  14. Nails are modification of EPIDERMIS (external layer of skin)
  15. Sebaceous glands in human body secrete Sebum or oil
  16. Muscles are attached to bones by connective tissues called Tendons
  17. Bones are attached to bones by Ligaments
  18. Lachrymal glands in human body secrete Tears
  19. The volume of blood in an adult is 4.7 to 5 litres
  20. The total number of bones in human body is 206
  21. The most common type of blood group is Type O