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