How does hair grow?

1. How does hair grow?

2. Is hair dead or alive? A lot of people ask that but the truth is that hair is dead and that's why it doesn't hurt when you cut it, but the reason it does hurt when you pull it is because your also pulling the stem and that’s where the hair grows from.

24. Zoom in

25. The hair string

26. The hair string Skin around hair and skull

27. The hair string Skin around hair and skull Hair string

28. The hair string Sebaceous Glands Skin around hair and skull Hair string

29. The hair string Sebaceous Glands Skin around hair and skull Hair string Dermale papilla

30. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Dermale papilla

31. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Dermale papilla

32. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

33. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

34. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

35. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

36. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

37. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

38. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

39. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

40. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

41. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

42. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

43. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

44. The hair string Sebaceous Glands Skin around hair and skull Hair string Hair shaft Sebaceous gland Papilla's Dermale papilla

45. SO THE HAIR GROWS ON AND ON SO SLOWLY THAT YOU would never notice it because it happens at the same time as falling out, if you ever noticed. But the reason it still grows long is because it grows faster than it falling out. even though it falls out at the same time as growing.

46. Now the reason that people have different colour hair is because of a little something called....

47. GENES!!!

50. The papilla is a very important part of your head, it is at the very bottom that helps the hair grow because it contains the blood supply.