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A104 living things - Coggle Diagram
A104 living things
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TYPES OF TISSUES
Muscle
- Responsible for movement
- Contract and relaxed to produce movement
- Form walls of internal organs
E.g. Cardiac muscle, stomach muscle
Nerve
- Sense stimuli
- Transmit signals
- Forms nerve impulse to transmit signals
E.g. neurons, sensory neuron
Connective
- Holds tissues & organs tgth
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Blood
Carry oxygen, nutrients, fight infections
Epithelial
- Skin layers
- Barrier between environment and body
- Secrete and absorb substances
- Can be simple or stratified
- Can be cuboidal or columnar
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ORGANIZATION IN HUMANS
Cells
- specialized cells
E.g. Muscle cell
Tissues
- A grp of cells perform a specific function
E.g, Muscles
Organ
- Different tissues function tgth
E.g. Stomach
Organ system
- Different organs provide complete function
E.g. Digestive system
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