bones and muscles student · 2019. 11. 24. · 4 support for muscles - muscles need to attach to...
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![Page 1: Bones and muscles STudent · 2019. 11. 24. · 4 Support for Muscles - muscles need to attach to bones for movement (tendons do the connection) Skeletal System cartilage. Skeletal](https://reader036.vdocuments.net/reader036/viewer/2022062506/5fbd43e27539f15e646ad77f/html5/thumbnails/1.jpg)
Skeletal System
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Musculoskeletal System- two body systems that work closely together: skeletal &
muscular
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Skeletal System- humans have 206 bones
Four main functions: 1) protection - eg: skull protects brain vertebra protects
spinal cord ribs protect heart &
lungs
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Skeletal System- humans have 206 bones
Four main functions:
2. blood-cell production - large, flat bones produce
blood cells
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Skeletal System- humans have 206 bones
Four main functions:
3 stores minerals - stores calcium & phosphorus - keeps bones strong - if we don’t eat enough Ca & P ---> our body removes them
from bones ---> bones become weaker
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Skeletal System- humans have 206 bones
Four main functions:
4 Support for Muscles - muscles need to attach to
bones for movement (tendons do the connection)
![Page 8: Bones and muscles STudent · 2019. 11. 24. · 4 Support for Muscles - muscles need to attach to bones for movement (tendons do the connection) Skeletal System cartilage. Skeletal](https://reader036.vdocuments.net/reader036/viewer/2022062506/5fbd43e27539f15e646ad77f/html5/thumbnails/8.jpg)
Skeletal Systemcartilage
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Skeletal Systemcartilage - semi-solid, flexible tissue - tip of nose, ears made of cartilage ---> continues
to grow throughout life
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Skeletal Systemcartilage - semi-solid, flexible tissue - tip of nose, ears made of cartilage ---> continues
to grow throughout life
![Page 12: Bones and muscles STudent · 2019. 11. 24. · 4 Support for Muscles - muscles need to attach to bones for movement (tendons do the connection) Skeletal System cartilage. Skeletal](https://reader036.vdocuments.net/reader036/viewer/2022062506/5fbd43e27539f15e646ad77f/html5/thumbnails/12.jpg)
Skeletal SystemJoints & Ligaments
joint - any place where 2 or more bones meet - immovable joints - plates of skull - movable joints
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Skeletal SystemJoints & Ligaments
• 4 types
- ball & socket
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Skeletal SystemJoints & Ligaments
• 4 types
- pivot
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Skeletal SystemJoints & Ligaments
• 4 types
- hinge
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Skeletal SystemJoints & Ligaments
• 4 types
- gliding
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Skeletal SystemJoints & Ligaments
ligament - tissue that holds bones together