Skeletal System Essay

The Skeletal System
The Skeletal System
The skeletal system is the framework of the body that consists of bones and connective tissues that
protects and supports the body tissue and internal organs. The skeletal system function is to form a
shield or a solid framework that supports and protects the body's organs and skeletal muscles. Each
bone is a complex living organ that is made up of many cells, protein fibers, and minerals. Further
more the skeletal system provides attachment points for muscles to allow movements at the joints.
Overall the importance of the skeletal system is that it acts as a guard or shield that protect the brain
and internal organs.
The human adult body consists of 206 individual bones. These bones are divided or rather arranged
into two major divisions or parts. One of which is the Axial skeleton. The Axial...show more
content...
This is a disease in which the bones become fragile and prone to fracture. Some of the symptoms of
this disease is back pain, loss of height and stooped posture, curved upper back, and broken bones
that might occur in minor injuries. unfortunately, there is no cure discovered yet for this disease.
Another disease associated with the skeletal system is leukemia which is a type of cancer that
involves white blood cells. The symptoms of leukemia include excessive sweating, fatigue that
doesn't go away, weight loss, bone pain, and tenderness. There is no known way to prevent leukemia.
However most patients with leukemia are treated with chemotherapy, radiation therapy, and bone
marrow transplantation. These are only some of the disease included with the skeletal system.
The skeletal system is a system in which it is the framework of the body including the bones in your
body. People need to start improving their skeletal systems health in order to prevent diseases and
unhealthy decisions that would affect their lives
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Skeletal System
The human system that consists of bones, cartilage, ligaments, tendons, and joints is the skeletal
system. The major functions of this includes protecting organs, allowing movement, and many
others. The skeletal system interacts with many other of the human systems such as the circulatory,
respiratory, muscular, and immune systems. An average person has about 206 bones in his/her
body. But a baby has about 300, because not all of the bones are fused together yet. Now, I'll talk
about the major organs of the skeletal system. The first thing that comes to mind when thinking
about this are the bones and joints. Bones are the things that make you able to stand up and they
protect your inner organs, joints are the things that connect the bones...show more content...
Some of them are to protect inner organs and to provide shape and support. Another major function
is to store materials, such as fats and minerals. Also the skeletal system also produces blood cells.
The last major function of the skeletal system is that it allows movement ,like in our joints, so we
aren't just stiff as a rock. The skeletal system may only be one body system, but it interacts with the
some of other ones too. One that it interacts with is the muscular system because they both allow
movement. It also helps the circulatory system by making and producing blood cells for the rest of
the body. Another system it helps is the immune system by making white blood cells to fight against
viruses and bacteria. Those were different systems that the skeletal system helps with its functions.
There are many bone diseases but I will only tell you about two of them, osteoporosis and
congenital radioulnar synostosis. Osteoporosis is when someone's bones get weak and brittle. A
treatment can help, but it can not be cured. The reduced mass in the bones is what makes it weak
and brittle. Congenital radioulnar synostosis is when your radius and your ulna are fused together.
There are two types of congenital radioulnar synostosis, type one and type two. In type , there are
2–6 cm of involved fusion between the radius and the ulna bones. The radius and the ulna are
forearm bones. In type 2, there is dislocation of the radial head, and it is farther from the elbow.
About 60% of the time it is present in both

Skeletal System Essay
Overview of the Skeletal System
Laszlo Vass, Ed.D. Version 42
–0018–00–01
Purpose
What is the purpose of this exercise? The purpose is to be able to observe bones and identify
structures within them
Are there any safety concerns associated with this exercise? If so, list what they are and what
precautions should be taken.
A safety concern should be taken with using the microscope as well as using the oven. Exercise 1:
The Chemical Components of Bone Questions A. Describe the effect that the lemon juice (acid) had
on the chicken leg bone. The chicken leg bone got more bendable and jelly–like because the acid
destroyed the calcium in the bone.
B. Describe the effect that baking (heat) had on the chicken leg...show more content...
From step 4 in the procedures Observe the epiphysis. Identify as many of the following structures as
possible: articular cartilage, compact bone, spongy bone and bone marrow. Make a sketch of the
bone in the Lab Report and label the structures you identified.
B. From step 5 in the procedures Observe the section of diaphysis. Identify as many of the following
structures as possible: periosteum, compact bone, endosteum and bone marrow. Make a sketch of the
diaphysis in the Lab Report and label the structures you identified.
Questions
A. How does the femur of the skeletal model compare to the diagrams in your textbook or this
manual?
B. Using your chicken bone, how does the texture of articular cartilage (or hyaline cartilage)
compare to that of periosteum? Note: Articular cartilage (made of hyaline cartilage) is found on the
ends of the bones. It absorbs compression and allows for smooth movement. Articular cartilage is
firm but elastic with a pearly–bluish color, early in life the periosteum is thick and vascular but later
on in life it thins out.
C. What is the function of spongy bone? Spongy bone contains bone marrow where red blood cells
are produced.
D. What makes compact bone

Skeletal System
The Musculoskeletal and Nervous Systems D1) The skeletal system is separated into the axial
skeleton and the appendicular skeleton. The axial skeleton consists of the skull and bones of the
trunk, such as the spine. The appendicular skeleton is made up of the bones of the limbs that are
appended to the axial spine. The axial bones have various specific functions. For example, the
function of the skull is to protect the brain. The flat bones that compose the skull also supply
attachment for facial muscles. The main purpose of the ribcage is to protect vital organs such as the
heart and lungs, and also to protect the blood vessels. The vertebral column's main function is to
support the head and trunk while protecting the spine. (Phillip E....show more content...
These bones share one function, and that is movement. The function of the long bones in the legs is
also to support body weight.
Aside from the basic mechanical functions that bones serve, they also have a function that is not
related to movement or protection. Bones also serve as a reservoir for minerals such as calcium and
phosphorus. This aids with situations such as pregnancy when the body needs more calcium, the
body removes it from the bones as needed.
Striated muscle, or skeletal muscles, attach to one bone, extend across an articulation, and attach to
another bone. Bones move due to muscles contracting. The origin of the muscle tends to remain
stationary, and the insertion of the muscle is usually the point of movement. For example, when a
knee bends, the popliteus rotates the femur and this creates a flexion of the knee. The quadriceps
assists in extending the knee. (Boundless , 2016)
D2) The main function of the nervous system is to control every action, movement, and thought that
occurs in the human body. Each component has specific functions that it carries out. The nervous
system is separated into two systems, the central nervous system (CNS), and the peripheral nervous
system

The Skeletal System Essay
Chapter 7
I.Bone Structure
A. Bone Classification
1. 4 Classes – Long, Short, flat and irregular
2. Example of a long bone– forearm and thigh bones.
3. Short Bones are shaped like cubes
4. Ex. Of short bones are in wrists and ankle bones
5. Flat bones are platelike structures
6. Ex of Flat bones are platelike structures
7. Irregular bones vary in size
8. Irregular bones vary in size
9. Examples of irregular bones are those of the vertebra and some...show more content...
b. Unlike compact bone, the bone cells do not aggregate around central canals.
c. Instead the cells lie within the trabeculae
d. Bone cells get canaliculi that lead to the surface of trabeculae
II Bone

The Skeletal System
1– A function of the Skeletal System that is essential to life is the bones because there are many
functions of the bones such as support , protection, movement, blood formation, detoxification, and
mineral storage and balance.
A function of the Muscular System that is essential to life is the Skeletal muscle because there are
many functions of the skeletal muscle such as movement, posture, body heat, respiration, and
communication.
2– There are 14 different types of fractures. The type of fracture determines how well it will heal
and if there are any long term effects to the patient by severity of a fracture it depends upon its
location and the damage done to the bone and tissue near it. There is an important difference from a
closed fracture

Skeletal System Support Body
The skeletal system works to support your body. Without your skeletal frame, you wouldn't be able
to move. The skeletal system protects the body, supporting it, and aids movement with the help of
muscles that are attached to the skeleton (bone). When the muscles are told to contract by the brain,
they cause the skeleton to move. This allows us to move around. Some muscles move involuntarily
and movements are called muscle spasms (in the intestine and the eyelids blinking).
The muscles of the body are attached to the bones and contract to move. A muscle can do one of two
things: it can contract, or it can relax. Your brain sends the impulse to move through your central
nervous system and throughout your nerves. Then, the impulses cause

Skeletal System
Introduction to Human Skeletal System:
Skeletal system is the system of bones, associated cartilages and joints of human body. Together
these structures form the human skeleton. Skeleton can be defined as the hard framework of human
body around which the entire body is built. Almost all the hard parts of human body are components
of human skeletal system. Joints are very important because they make the hard and rigid skeleton
allow different types of movements at different locations. If the skeleton were without joints, no
movement would have taken place and the significance of human body; no more than a stone.
BONE
What is a bone?
Bone is a dense type of connective tissue impregnated with inorganic salts mainly the salts of calcium
...show more content...
Both ends of the bone are covered in hyaline cartilage to help protect the bone and aid shock
absorbtion.
Short Bones
Short bones are defined as being approximately as wide as they are long and have a primary
function of providing support and stability with little movement. Examples of short bones are the
Carpals and Tarsals – the wrist and foot bones. They consist of only a thin layer of compact, hard
bone with cancellous bone on the inside along with relatively large amounts of bone marrow.
Flat Bones
Flat bones are as they sound, strong, flat plates of bone with the main function of providing
protection to the bodies vital organs and being a base for muscular attachment. The classic
example of a flat bone is the Scapula (shoulder blade). The Sternum (breast bone), Cranium
(skull), os coxae (hip bone) Pelvis and Ribs are also classified as flat bones. Anterior and posterior
surfaces are formed of compact bone to provide strength for protection with the centre consisiting of
cancellous (spongy) bone and varying amounts of bone marrow. In adults, the highest number of red
blood cells are formed in flat bones.
Irregular Bones
These are bones in the body which do not fall into any other category, due to their non–uniform
shape. Good examples of

The Skeletal System Essay
The skeletal system includes the osseous tissues of the body and the connective tissues that stabilize
or interconnect the individual bones. The bone is a dynamic tissue. Throughout the lifespan, bone
adjusts to the physiologic and mechanical demands placed on it by the processes of growth and
remodeling. Bone serves the organism at multiple levels: As a system, bones permit the organism
to locomote effectively and to maintain posture by bearing loads without deformation, by providing
rigid attachment sites for muscles and acting as a system of levers to amplify small movements. As
an organ, bones protect the viscera and house the hemopoietic tissue (red marrow). As a tissue,
bones serve as a reservoir of readily mobilizable calcium, an...show more content...
The calcium salts of bone represent a valuable mineral reserve that maintains normal concentrations
of calcium and phosphate ions in body fluids. In addition, fat cells within marrow cavities store
lipids that represent an important energy reserve. The bones of the skeleton function as levers that
direct and modify the forces generated by skeletal muscles. The movements produced range from the
delicate motion of a fingertip to powerful changes in the position of the entire body. Osseous tissue
contains specialized cells, cell products, and a fluid matrix. The distinctive solid, stony nature of
bone results from the deposition of calcium salts within the matrix. Crystals of calcium phosphate
account for almost two–thirds of the weight of the bone. The majority of bone mineral occurs in the
form of hydroxylated calcium phosphate crystals
(Ca 10 [PO 4 ] 6 [OH]2 ) referred to as hydroxyapatite. The remaining third is dominated by collagen
fibers, with osteocytes and proteoglycans contributing only around 2 percent.
Calcium phosphate crystals are very strong, but inflexible. They can withstand compression, but the
crystals are likely to shatter when exposed to bending, twisting, or sudden impacts. Collagen fibers
are extremely tough, but quite flexible. They can easily tolerate stretching, twisting, and bending, but
when compressed they simply bend out of the way. In bone, the collagen fibers

Chapter 5: the Skeletal System Essay
Chapter 5: The Skeletal System
I.Introduction. The skeletal system consists of the bones, along with the cartilage and fibrous
connective tissue that make up the ligaments that connect bones to bone at joints.
A.Functions of the Skeleton.
1.The skeleton supports the body.
2.The skeleton protect soft body parts.
The skull protects the brain, the rib cage protects the heart and lungs, and the vertebrae protect the
spinal cord.
3.The skeleton produces blood cells. Red bone marrow contains stem cells that produce all of the
blood cells.
4.The skeleton stores mineral and fat. All bones have a matrix that contains calcium phosphate that
serves as a source of calcium and phosphate ions for the blood. Fat is stored in the...show more
content...
Osteoclasts are bone–absorbing cells that breakdown bone and assist in depositing calcium and
phosphate in the blood.
A.Bone Development and Growth. The term ossification refers to the formation of bone. The bones
of the skeleton form during embryonic development in two distinctive ways: intramembranous
ossification and endochondral ossification.
1.Intramembranous Ossification. Flat bones, such as the bones of the skull, are examples of
intramembranous bones. In intramembranous ossification, bones develop between sheets of fibrous
connective tissue. First, spongy bone forms between the sheets then calcium salts to the outside of
the bone forming compact bone surrounding the spongy bone.
2.Endochondral Ossification. Most bones of the human skeleton are formed by endochondral
ossification. During endochondral ossification, bone replaces a cartilaginous model of the bones.
Chondrocytes (cartilage cells) lays down a cartilage model that is shaped like the future bones. As
the cartilage model calcifies the chondrocytes die. Osteoblasts from the periosteum secrete the
organic bone matrix that undergoes calcification. The result is an outer layer of compact bone
called a bone collar which covers the diaphysis. Blood vessels bring osteoblasts into a region of the
cartilage called the primary ossification center where they produce spongy bone. The spongy bone
of the diaphysis is absorbed by Osteoclasts creating the

Healthy Skeletal System
The three reasons on having and maintaining a healthy skeletal system and the ways I am going to
do that. Like exercising, eating healthy, and Vitamin D. With these ways I can have and live a
healthier life for me when I am going to old. The first ways is that I am going to doing weight
baring exercises that make an impact on my bones while I'm doing it, like running and doing
basic exercises at home for at least an hour. This will help the structure of my bones when I get
older and will help keep my bones stay healthy by creating micro fractures being filled with
calcium when I do these exercises. This will help me because I don't want to be an elder that has to
have help all the time because I am weak or because I can do something just because

Skeletal System Essay

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