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๐ฌ Think about it
Blink your eyes, clench your fist, take a deep breath, touch something warm.
Each action uses a different tissue.
Which tissue moves you?
Which senses heat?
Which holds your body together?
Let us meet the animal tissues.
Do animals have tissues like plants?
- Yes — just like plants, animal cells also group together and specialise to perform different functions.
- These groups of similar cells form animal tissues .
Are plant tissues and animal tissues the same?
- No — unlike plants, animals move about and carry out many different activities.
- So, they need several different tissues, each specially adapted for its own job.
What are animal tissues?
Animal Tissue
Animal
cells of an
animal body
Tissue
similar cells that specialise together
↓
Groups of similar animal cells specialised to perform a particular function.
What are the four main animal tissues?
- Epithelial tissue
- Connective tissue
- Muscular tissue
- Nervous tissue
| Tissue | What it does | Everyday example |
|---|---|---|
| Epithelial | Covers the body and lines the internal organs | Skin; lining of the mouth, lungs and intestine |
| Connective | Connects and supports the other tissues | Blood, bone, cartilage, tendon, ligament |
| Muscular | Brings about movement | Muscles of the arm; the beating heart |
| Nervous | Controls and coordinates the body | Brain; the nerves that pull your hand from a hot pan |
๐ NCERT Question 14 — A plant cell and
A plant cell and an animal cell are the same size. (i) Which cell will have a larger vacuole? Give reasons. (ii) What assumptions are you making?
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