Specialised animal cells (AQA GCSE Biology): Flashcards
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What are specialised cells?
What are specialised cells?
Cells with specific features to do particular jobs well
Where are ciliated cells found?
Where are ciliated cells found?
Lining the trachea (windpipe)
Function of cilia on ciliated cells
Function of cilia on ciliated cells
Sweep mucus up and away from lungs
Effect of smoking on ciliated cells
Effect of smoking on ciliated cells
Damages/destroys cilia, preventing mucus clearance
What are sperm cells?
What are sperm cells?
Male reproductive cells
Function of sperm cell's long tail
Function of sperm cell's long tail
Swims to move the sperm cell forward
Why do sperm cells have many mitochondria?
Why do sperm cells have many mitochondria?
Provide energy for the tail to keep moving
What does the acrosome contain?
What does the acrosome contain?
Enzymes that break through egg's outer layers
What do nerve cells carry?
What do nerve cells carry?
Electrical messages around the body
Function of nerve cell's axon
Function of nerve cell's axon
Carries electrical signals over long distances
Function of nerve cell's dendrites
Function of nerve cell's dendrites
Connect with other nerve cells to form networks
What are muscle cells specialised for?
What are muscle cells specialised for?
Contraction (getting shorter and fatter)
Why do muscle cells have many mitochondria?
Why do muscle cells have many mitochondria?
To supply energy needed for contraction
What is cell differentiation?
What is cell differentiation?
Process where cells become specialised