Knowledge sharing

1. Femur (Thigh Bone)
Longest Bone in Human Body

2.  The femur bone is the longest and strongest bone in
the body.
 Located in the thigh, it spans the hip and knee joints
and helps maintain upright posture by supporting the
skeleton.
 The humerus bone is in the upper arm and spans the
shoulder and elbow joints.

4. Stapes in the middle ear
Smallest Bone

5. The smallest bone in the body is a bone found inside your ear.
There are three tiny bones: the stapes, the incus, and the malleus.

8. Tooth Enamel
Hardest material in the human body

11.  Tooth enamel is the thin outer
covering of a tooth.
 It covers the crown of the tooth,
which is the part you can see
outside of the gums.
 Although it is the outer layer,
enamel is see-through. Dentin,
the hard tissue beneath the
enamel, is what gives teeth their
color.

12. Jaw Muscle
Strongest Muscle

13.  The strongest muscle based on its weight is the masseter.
 With all muscles of the jaw working together it can close the teeth with
a force as great as 55 pounds (25 kilograms) on the incisors or 200
pounds (90.7 kilograms) on the molars.

17. Gluteus maximus
(Buttock muscle)
Largest Muscle

18.  The gluteus maximus is the most superficial as well as largest of the three
muscles and makes up most of the shape and form of the buttock and hip
area.
 The gluteus maximus is a thick fleshy muscle with a quadrangular shape.

21. The gluteus maximus is the main
extensor muscle of the hip. It is the
largest and outermost of the three
gluteal muscles and makes up a large
part of the shape and appearance of
each side of the hips. It is the single
largest muscle in the human body.