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4.9: Summary

Last updated

Sep 15, 2022
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- 4.8: Directional Terms
- 4.10: Worksheets

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The characteristics of living organisms can be summarised by the words “MRS GREN.”
There are 4 main types of tissue namely: epithelial, connective, muscle and nervous tissues.
Epithelial tissues form the skin and line the gut, respiratory tract, bladder etc.
Connective tissues form tendons, ligaments, adipose tissue, blood, cartilage and bone, and are found in the dermis of the skin.
Muscular tissues contract and consist of 3 types: smooth, skeletal and cardiac.
Vertebrate bodies have a head, trunk and tail. Body organs are located in body cavities. 11 body systems perform essential body functions most of which maintain a stable environment or homeostasis within the animal.
Directional terms describe the location of parts of the body in relation to other parts.

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