Summary
Summary Unit 8: physiology of the human body system 8A
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understand the impact of disordered on the musculoskeletal system and their associated corrective treatments.
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IntroductionThe primary function of the musculoskeletal system is to protect and support the human
body. The structure formed many parts such as muscles, cartilage, tendons, ligaments and
joints. These parts help bind organs and tissues together. The skeleton serves as storage for
calcium and phosphorus, and the skeleton itself serves as a critical part of blood production
and storage of yellow and red bone marrow. Joints are also a vital part of the
muscular-skeletal system as these allow bones to move and allow for motion in the human
body. (1)
The function and structure of the skeletal system
,
, The skeleton
The skeleton is the framework of the human body; it allows movement and supports the
body. The skeleton, which is made up of 206 bones, is made up of the axial skeleton, which
is the skeleton’s axis and contains the top of the head to the ribs, vertebrae, sternum, and
lower jaw. The appendicular skeleton are the bones that make up the human body’s limbs,
such as the legs and arms. (2) (3)
The skeletal system can be divided into:
Skull ( cranium)- is part of the axial skeleton. The skull’s function is to protect from internal
injury. The cranium protects the brain
from an injury such as a football to the
head. Protection is one of the many
functions of the skeleton, which is vital
for the human body. (2)(3)
Vertebra column- The vertebrae are
also protective and prevent injury to
the spinal cord; the spinal cord is
essential to link the brain and nervous
system. The Vertebral column is split
into the cervical vertebrae, thoracic
vertebrae, lumbar vertebrae, sacrum,
and coccyx. (2)(3)
The pelvis- is essential for movement in the
human body. The pelvis contains two joints
sockets of the legs, which allow for
movement and the pelvis is vital for posture.
The legs also allow for upright posture and
height to the human body and correct the
shaping of the body.
. (2)
The pectoral girdle and arm- The clavicle is
vital for protecting the upper chest and
contents to the sternum, which protects vital
organs. The shoulder and arm allow for
movement, which is essential and allows the
skeleton to move as a whole and
individuality using muscles that contract and
relax. (2)
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