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Summary WJEC (England) Eduqas A-Level Biology 3. Requirements for life - Option b Human Musculoskeletal anatomy - 1. skeletal tissues CA$6.50   Add to cart
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Summary WJEC (England) Eduqas A-Level Biology 3. Requirements for life - Option b Human Musculoskeletal anatomy - 1. skeletal tissues

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  • Course
  • Option B: Human Musculoskeletal Anatomy
  • Institution
  • WJEC

I achieved a high A* Grade in my final A-Level exams using these notes!!! I believe you can achieve an A* if you can memorise these notes! Simply use blurting, a method of active recall, to write everything you remember from the notes, then identify the parts you couldn’t remember, then repeat ...

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Document information

  • May 2, 2023
  • 3
  • 2021/2022
  • Summary

Subjects

  • cartilage
  • bone
  • muscle
  • rickets
  • sliding filament theory
  • twitch

Written for

  • A/AS Level
  • WJEC
  • Biology
  • Option B: Human Musculoskeletal Anatomy
All documents for this subject (3)

1  review

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By: rashmeensheikh2317 • 5 months ago

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a. Cartilage – hard & flexible/compressible/elastic connective tissue
 rigid: provides support – trachea
 flexible: permits movement of ribcage
 elastic (bend & return to original shape): role in joints


- chondrocytes embedded in lacunae in matrix
- no blood vessels: nutrients must diffuse through matrix – takes long time to heal
- no nerves – don’t feel pain unless it degrades



hyaline cartilage: weakest – articular surface of bones (joints) / nose / trachea / ribcage
- high proportion of collagen fibres – tough = withstand force in joint
- perichondrium: fibrous connective tissue coat
o reduces friction
ossifies into bone in foetus
damaged: replaced by fibrocartilage scar tissue


yellow elastic cartilage: most flexible = external ear
- high proportion of yellow elastic fibres
- perichondrium: fibrous connective tissue coat


white fibrous cartilage (fibrocartilage): strongest – intervertebral discs
- dense collagen fibres – high tensile strength
o shock-absorber

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