cells lesson 5
TRANSCRIPT
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Specialised Cells
TargetTo know about some specialised
cells
Monday, May 1, 2023
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Specialised Cells
• Some cells are special shapes and have special jobs
• Can you think of any examples?
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Red Blood Cell
• Carries oxygen around the body
• No nucleus and large surface area
• Is found in the blood
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White Blood Cell
• Defends the body against microorganisms
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Sperm Cell
• Is the male sex cell• Contains DNA from the male to pass onto
the baby• Fertilises the egg cell
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Egg Cell (Ovum)
• The female sex cell
• Contains DNA from the female to pass onto the baby
• Is fertilised by the sperm cell
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Root hair cell
• Is where absorption of water occurs in plants
• Has a large surface area
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Guard Cell
• Are present on the underside of leaves
• Can open or close to reduce water loss
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Cells Tissues
Organs
Organ systems
Organism
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Here’s an example in humans:
Muscle cells
Muscle tissue
Organ
System
Organism
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Whose cell is it anyway?
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Questions – page 14-15
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