Chapter 12. Hard living tissues that make up your skeleton… Support Frame of your “house” &...
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Transcript of Chapter 12. Hard living tissues that make up your skeleton… Support Frame of your “house” &...
![Page 1: Chapter 12. Hard living tissues that make up your skeleton… Support Frame of your “house” & Protect protects organs.](https://reader034.fdocuments.us/reader034/viewer/2022051200/5a4d1b517f8b9ab0599a7dce/html5/thumbnails/1.jpg)
Bones & MusclesChapter 12
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Bones & Muscles
![Page 3: Chapter 12. Hard living tissues that make up your skeleton… Support Frame of your “house” & Protect protects organs.](https://reader034.fdocuments.us/reader034/viewer/2022051200/5a4d1b517f8b9ab0599a7dce/html5/thumbnails/3.jpg)
BonesHard living tissues that make up your skeleton…
Support Frame of your “house”
&
Protect protects organs
![Page 4: Chapter 12. Hard living tissues that make up your skeleton… Support Frame of your “house” & Protect protects organs.](https://reader034.fdocuments.us/reader034/viewer/2022051200/5a4d1b517f8b9ab0599a7dce/html5/thumbnails/4.jpg)
Skull – brain Ribs – heart, lungs, stomach Spine (backbone) – spinal cord
◦ 33 bones called vertebrae Spinal cord carries messages from the brain to
the rest of the body.
Patella (kneecap) – knee joint and ends of leg bones
Protection
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Ribs & Spine
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Cells – tiny living parts that make up our bodies◦ Daily DEATH! (cells die everyday)◦ NEW LIFE! – every day dead cells are replaced
with new living cells.
Tissue – a group of cells working together◦ Bones are made of vary hard tissue
Production
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Parts of a Bone
Hollow area with marrow
Hard compact bone
Blood vessels and nerves
Light sponge bone pg. 260
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Bones have empty space in them. In some bones these area are filled with marrow.
Marrow◦Soft, jellylike material used to produce new blood cells.
Marrow
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Minerals◦Your bones store minerals such as
calcium, magnesium, and phosphorus.
◦ Calcium – makes bones strong Milk & yogurt = good source of calcium
Your bones store minerals and then release them to the rest of your body as cells need them.
Storage
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Mr. Bonesskull
phalanges
sternum
ribsvertebrae
femur
patella
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Immovable MovableJoints
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You
Hip Joint
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Allows movement in many directions◦ Examples:
Shoulders Hips
Ball-and-Socket
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Hinge Allows only back and forth movements
◦ This type of joint works like a door on a hinge. ◦ Example:
Elbows Knees
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Allows side to side movement◦ Example:
Top vertebrae of the neck
Pivot