The axial skeleton, a central component of the human body, consists of 80 bones. These bones include the cranial and facial bones that form the skull, along with the bones of the neck, ears, back, and ribcage (ribs and sternum). Let's delve deeper into the functions of the axial skeleton:
- The skull , an integral part of the axial skeleton, provides protection to the invaluable human brain. It also forms the eye sockets, serves as a supporting structure for various muscles, and imparts structure to the face.
- The three ossicles in the middle ear link the inner ear to the tympanic membrane, facilitating the transmission of sound waves.
- The hyoid bone positioned in the neck region supports the larynx located below it and the tongue situated above. It also assists in transmitting the force of the muscles that help in opening the jaw.
- The bones of the rib cage shelter vital organs like the heart, kidneys, and lungs. They provide protection, ensure maintenance, and contribute to the health and functionality of these organs.
- The vertebral column offers support to our skull and shields the spinal cord. It provides a base for the pelvic girdle and rib bones to rest. The flexibility of the human back is also due to the spine or vertebrae.
To sum up, the 80 bones of the axial skeletal system contribute significantly to the protection and support of the vital organs housed in the body cavity.
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