B5a - Skeletons

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  • Created by: Sam Downs
  • Created on: 05-06-13 16:07
Why is an internal skeleton advantageous compared with an external skeleton?
It can easily grow with the body, it't easy to attach muscles to it, it's more flexible than an exoskeleton and it gives the body support and provides a framework.
1 of 5
Are bones and cartilage living or dead tissue?
Bones and cartilage are LIVING tissue
2 of 5
Describe the structure of a long bone
Made up of the head, covered in cartilage and a shaft containing bone marrow with blood vessels.
3 of 5
Explain why long bones that are hollow are advantageous, in terms of weight and strength.
The fact that they are hollow makes them lighter than solid bones of the same size, and stronger than solid bones of the same mass. This makes movement more efficient.
4 of 5
(H) Cartilage and bone are susceptible to ___________ but can grow and ________ themselves.
Cartilage and bone are susceptible to infection but can grow and repair themselves.
5 of 5

Other cards in this set

Card 2

Front

Are bones and cartilage living or dead tissue?

Back

Bones and cartilage are LIVING tissue

Card 3

Front

Describe the structure of a long bone

Back

Preview of the front of card 3

Card 4

Front

Explain why long bones that are hollow are advantageous, in terms of weight and strength.

Back

Preview of the front of card 4

Card 5

Front

(H) Cartilage and bone are susceptible to ___________ but can grow and ________ themselves.

Back

Preview of the front of card 5

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Sam Downs

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