Bones

What is bone ?

Bone is one-third connective tissue. it is impregnated with calcium salts which constitute the remaining two-third part. The inorganic calcium salts makeit rigid and hard ,which can efford resistance to compressive force of weight- bearing and impact forces of jumping. The organic connective tissue is tough and flexible,which can afford resistance to tensile force. In strength, bone is comparable to iron and steel.

The inorganic calcium salt is hydroxy apatite

How many human bones in human body?

DIVISION OF SKELETON BONES

Axial Skeleton

Skull

name	number
Cranium	8
Face	14
Hyoid	1
Auditory Ossicles	6

Thorax

Bone name	Number
Sternum	1
Ribs	24

Appendicular Skeleton

Pectoral(shoulder) girdles

Bone name	Number
Clavicle	2
Scapula	2

Upper extermities

Bone Name	Number
Humerus	2
Ulna	2
Radius	2
Carpals	16
Metacarpals	10
Phalanges	28

Pelvic(hip) girdle

Bone name	Number
Pelvic or Hip bone	2

Lower Exermities

Bone name	Number
Femur	2
Fibula	2
Tibia	2
Patella	2
Tarsals	14
Metatarsals	10
phallenges	28