Posted: May 14th, 2022
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Peer answer: Michael Venditto
The main functions of the skeleton are protection, support, movement, acid-base balance, electrolyte balance, and blood formation, but the two parts of the skeleton play their own roles. According to Taylor (2020), the first region of the skeletal system is the axial skeleton which is composed of the skull, hyoid, auditory ossicles, ribs, sternum, and vertebral column (para. 3). The main functions of this region are the protection of the brain, heart, lungs, and spinal cord as well as support for the rest of the body. The majority of bones in the axial skeleton are either flat or irregular bones, but there’s also a possibility of sutural bones in the skull (Saladin, 2020, p. 225). Taylor (2020) states that the frontal, occipital, and parietal bones of the cranium are considered flat bones as well as the ribs (para. 25). The vertebrae, coccyx, and sacrum of the spine are considered irregular as well as the sphenoid, ethmoid, and zygomatic bones of the skull (para. 26). Totamir (2021) explains that the main functions of the appendicular region are to aid in movement, but they also help with blood formation like the axial region (para. 3). The appendicular region is composed of many long, short, and sesamoid bones. Most short bones can be found in the hands and feet, while long bones can be found in the arms and legs. The pelvic bones are considered flat bones though. Some of the sesamoid bones would be the patella and others found in the hands and feet due to strains in the tendons.
It’s fascinating that the body holds around 206 bones and that most are found in the hands and feet. Our bodies are filled and that means there’s a lot of room for possible damage to our skeleton. A good way to differentiate the axial region from the appendicular region is that the appendicular region is mostly composed of limbs while the axial region would be the head and bones most directly connected to the spine. Not only does this topic give us a deeper understanding of all the bones we possess, but if any of us acquire fractures or broken limbs, we can somewhat pinpoint where it might be using our knowledge of bones. That would also tie into the topic of fracture repair and the bone’s process of healing.
Saladin, K. (2020). Anatomy & physiology: The unit of form and function (9th ed.). McGraw Hill Education.
Taylor, T. (2020). Skeletal system – labeled diagrams of the human skeleton. Innerbody. Retrieved March 17, 2022, from https://www.innerbody.com/image/skelfov.html
Totamir, J. (2021, October 13). Appendicular Skeleton: Function & Anatomy. Study.com | Take Online Courses. Earn College Credit. Research Schools, Degrees & Careers. Retrieved March 17, 2022, from https://study.com/learn/lesson/appendicular-skeleton-definition-function-anatomy.html#:~:text=The%20primary%20functions%20of%20the,also%20possess%20many%20other%20functions.
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