A normal adult human body is consist of 206 bones. Human skeleton can be divided into 2 main parts-
Axial skeleton & Appendicular skeleton.
Axial skeleton-
It can be further divided into 3 parts. The number of each bone is given-
Skull- It has 29 bones-
Cranial bones (8)-
The occipital bone
The parietal bones(2)
The frontal bone
The temporal bone (2)
The sphenoid bone
The ethmoid bone
Facial bones (14)-
The nasal bones (2)
The maxillae (2)
The lacrimal bone (2)
The zygomatic or cheekbone (2)
The palatine bone (2)
The inferior nasal concha (2)
The vomer
The mandible
The hyoid bone
Middle ears (6)-
Malleus (2)
Incus (2)
Stapes (2)Thorax- It has 25 bones -
The Sternum (1)
The ribs (24, in 12 pairs)Vertebral column- It has 26 bones-
The cervical vertebrae (7)
The thoracic vertebrae (12)
The lumber (5)
The sacral vertebrae (1)
The coccygeal vertebrae
Appendicular skeleton-
can be divided into 3 parts-
Arm- has 64 bones-
The humerus (2)
The scapula(2)
The clavicles (2)
The ulna(2)
The radius (2)
The carpals (16)
The metacarpals (10)
The phalanges of the handproximal phalanges (10)
intermediate phalanges (8)
distal phalanges (10)Pelvis- has 2 bonesLeg
The femur(2)
The patella or kneecap (2)
The tibia (2)
The fibula (2)
The foot (52)
The number of bones in adult are not the same as the time we born. There are 270 bones present in an normal human infant .
➡️Spine 26 ,Chest 25 ,Head 28 ,Arms 64 ,Legs 60 ,Pelvis 3
(206)
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