How Many Bones Are in the Human Body Part 2
Continuing our exploration into the intricate network of bones that make up the human body, let's delve into the fascinating world of the axial skeleton and appendicular skeleton.
Axial Skeleton
The axial skeleton, which comprises 80 bones, forms the central axis of the body. It consists of:
- Skull (22 bones): Protects the brain and houses sensory organs
- Vertebral column (26 bones): Provides support and flexibility to the body
- Thoracic cage (25 bones): Protects the heart, lungs, and other vital organs
- Sternum (1 bone): Connects the ribs and forms the front of the thoracic cage
- Hyoid bone (1 bone): Supports the tongue and facilitates speech
Appendicular Skeleton
The appendicular skeleton, consisting of 126 bones, includes the bones of the limbs and girdles. It is divided into:
- Upper limbs (60 bones): Arms, forearms, wrists, hands, and fingers
- Lower limbs (60 bones): Thighs, legs, ankles, feet, and toes
- Pectoral girdle (4 bones): Connects the upper limbs to the trunk
- Pelvic girdle (2 bones): Connects the lower limbs to the trunk
Total Bone Count
Combining the axial and appendicular skeletons, the total number of bones in the human body is approximately 206.
Related Questions and Answers
- How many bones are in the skull? 22
- What is the name of the bone that forms the front of the thoracic cage? Sternum
- How many bones are in the upper limbs? 60
- What type of joint connects the wrist to the hand? Carpal joint
- True or False: The hyoid bone is located in the lower jaw. False
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