These bones are divided into two main categories:
- Axial Bones: The axial skeleton consists of 80 bones, which include the skull, vertebral column, and ribcage.
- Appendicular Bones: The appendicular skeleton consists of 126 bones, which include the bones of the limbs and the girdles that attach them to the axial skeleton.
The skull is composed of 22 bones, including the cranial bones that protect the brain and the facial bones that support the eyes, nose, and mouth. The vertebral column is made up of 33 vertebrae, which provide support and protection to the spinal cord. The ribcage is composed of 12 pairs of ribs, which protect the heart and lungs.
The appendicular skeleton is composed of the bones of the upper and lower limbs and the girdles that attach them to the axial skeleton. The upper limb consists of 30 bones, including the humerus, radius, ulna, carpals, metacarpals, and phalanges. The lower limb consists of 30 bones, including the femur, tibia, fibula, tarsals, metatarsals, and phalanges. The girdles that attach the upper and lower limbs to the axial skeleton are the pectoral girdle and the pelvic girdle, respectively.
In addition to the 206 bones, the human body also contains a number of small, irregularly-shaped bones called sesamoid bones. These bones are found in areas of high stress, such as the kneecap and the base of the thumb.
While the average human body contains 206 bones, there are some variations in the number of bones depending on factors such as age and development. For example, infants are born with more bones than adults, as many of the bones in the skull and the vertebral column have not yet fused together. Over time, these bones fuse together, reducing the total number of bones in the body.
In conclusion, the human body is composed of 206 bones that provide support, protection, and shape to the body. These bones are divided into axial and appendicular bones and are found in the skull, vertebral column, ribcage, and limbs. While the number of bones in the human body can vary depending on age and development, the average adult human body contains 206 bones.
List of 206 Bones OF The Human Body
1. Skull (22 bones):
- 8 cranial bones
- 14 facial bones
2. Ear bones (6 bones):
- 3 ossicles in each ear: malleus, incus, stapes
3. Hyoid bone (1 bone)
4. Spine (26 bones):
- 7 cervical vertebrae
- 12 thoracic vertebrae
- 5 lumbar vertebrae
- 1 sacrum (5 fused vertebrae)
- 1 coccyx (4 fused vertebrae)
5. Chest (25 bones):
- 1 sternum
- 24 ribs (12 on each side)
6. Shoulders (4 bones):
- 2 clavicles (collarbones)
- 2 scapulae (shoulder blades)
7. Arms (6 bones each):
- 1 humerus (upper arm bone)
- 1 radius (forearm bone on thumb side)
- 1 ulna (forearm bone on pinky side)
- 8 carpals (wrist bones)
- 19 metacarpals (palm bones)
- 14 phalanges (finger bones)
8. Pelvis (2 bones):
- 1 left hip bone
- 1 right hip bone
9. Legs (6 bones each):
- 1 femur (thigh bone)
- 1 patella (kneecap)
- 1 tibia (shin bone)
- 1 fibula (calf bone)
- 7 tarsals (ankle bones)
- 19 metatarsals (foot bones)
- 14 phalanges (toe bones)
Overall, these 206 bones work together to provide the structure, support, and mobility necessary for the human body to function properly.
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