Specialised animal cells (AQA GCSE Biology Combined Science): Flashcards
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What are specialised cells?
What are specialised cells?
Cells that develop structures to do specific jobs in the body
Key principle of cell specialisation
Key principle of cell specialisation
Structure matches function
When cell specialisation mainly occurs
When cell specialisation mainly occurs
When animals are young and growing
Location of ciliated cells
Location of ciliated cells
Trachea (windpipe) and respiratory system
Function of ciliated cells
Function of ciliated cells
Cilia move in waves to push mucus up and away from lungs
Main job of sperm cells
Main job of sperm cells
Carry male parent's genetic information to egg
Purpose of sperm cell's long tail
Purpose of sperm cell's long tail
Whips to help sperm swim towards egg
Function of acrosome in sperm cell
Function of acrosome in sperm cell
Contains enzymes to break through egg's outer layers
Function of nerve cells (neurones)
Function of nerve cells (neurones)
Carry electrical messages around body
Purpose of long axon in nerve cell
Purpose of long axon in nerve cell
Carries electrical signals over long distances