cells lesson 5

14
Specialised Cells Target To know about some specialised cells Wednesday, March 2, 20 22

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Page 1: Cells lesson 5

Specialised Cells

TargetTo know about some specialised

cells

Monday, May 1, 2023

Page 2: Cells lesson 5

Specialised Cells

• Some cells are special shapes and have special jobs

• Can you think of any examples?

Page 3: Cells lesson 5

Red Blood Cell

• Carries oxygen around the body

• No nucleus and large surface area

• Is found in the blood

Page 4: Cells lesson 5

White Blood Cell

• Defends the body against microorganisms

Page 5: Cells lesson 5

Sperm Cell

• Is the male sex cell• Contains DNA from the male to pass onto

the baby• Fertilises the egg cell

Page 6: Cells lesson 5

Egg Cell (Ovum)

• The female sex cell

• Contains DNA from the female to pass onto the baby

• Is fertilised by the sperm cell

Page 7: Cells lesson 5

Root hair cell

• Is where absorption of water occurs in plants

• Has a large surface area

Page 8: Cells lesson 5

Guard Cell

• Are present on the underside of leaves

• Can open or close to reduce water loss

Page 9: Cells lesson 5
Page 10: Cells lesson 5

Cells Tissues

Organs

Organ systems

Organism

Page 11: Cells lesson 5

Here’s an example in humans:

Muscle cells

Muscle tissue

Organ

System

Organism

Page 12: Cells lesson 5

Whose cell is it anyway?

Page 13: Cells lesson 5

Questions – page 14-15

Page 14: Cells lesson 5