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Bones! Bones! Bones!
MR. PATRICK JAMES CARABUENA
Objectives:
 Describe

the skeletal system

 Describe

the two types of skeletal

system

 Enumerate

and explain the f...
Skeletal System
 Skeletal

system is made up of bones that
keep our body upright. Without bones, you
will have no support...
Types of Skeleton
 Exoskeleton(External)

is a hard body
covering found in some animals like
insects, crabs and shrimps.
...
Importance of Skeletal System
 Framework:

It gives the body its shape and structure.

 Support:

It holds the tissues i...
Importance of Skeletal System
 Blood

formation: The production of
blood cells occur inside the long
bones.
 Storage: Th...
Did you know about this?
Animals like earthworms and snails do not have
bones, but they have a hydroskeleton. It serves as...
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Bones! Bones! Bones! Edtech demo (week 1) 2013

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Bones! Bones! Bones! Edtech demo (week 1) 2013

  1. 1. Bones! Bones! Bones! MR. PATRICK JAMES CARABUENA
  2. 2. Objectives:  Describe the skeletal system  Describe the two types of skeletal system  Enumerate and explain the functions of the skeletal system
  3. 3. Skeletal System  Skeletal system is made up of bones that keep our body upright. Without bones, you will have no support at all. You will be like a rag doll that cannot stand on its own.  The whole structure of the skeletal system is called the skeleton. The skeleton is the hardened framework of the body that serves to support and protect soft tissues.
  4. 4. Types of Skeleton  Exoskeleton(External) is a hard body covering found in some animals like insects, crabs and shrimps.  Endoskeleton(Internal) is a skeleton found inside the body of animals with backbones(Vertibrates) like dogs, snakes and humans. It is a framework embedded within the body, with the muscle wrapping the skeleton.
  5. 5. Importance of Skeletal System  Framework: It gives the body its shape and structure.  Support: It holds the tissues in their place. Some muscles are attached to the bones which makes movements possible. A membrane called the periosteum surrounds and protect the bone and holds the muscle in place.  Protection: Some bones protect internal organs. The cranium or skull protects the brain. The rib cage protects the heart and the lungs. Backbone or spinal column protects the spinal cord. In women, pelvic girdle protects the uterus.
  6. 6. Importance of Skeletal System  Blood formation: The production of blood cells occur inside the long bones.  Storage: The bones store or keep certain minerals. Calcium compounds like calcium phosphate and calcium carbonate are stored in the bones. They make bones stronger.
  7. 7. Did you know about this? Animals like earthworms and snails do not have bones, but they have a hydroskeleton. It serves as support just as your bones support you body. The hydroskeleton is a core of liquid wrapped in a sheath. It is like a balloon filled with water. If you squeeze one end, the force of your squeeze goes to the other end of the balloon. For instance. When an earthworm’s muscle contract, the force that the muscle exert on the hydroskeleton also goes through the body of the earthworm, making it move.

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