Specialised cells

Question 1

Where can we find ciliated cells?

Answer 1

• in the airways - they trap dust and pathogens in the nose and throat
• oviducts - they move the egg from the ovary to the uterus

Question 2

What are root hair cells?

Answer 2

plant cells w/ long extensions giving them a large S to absorb H2O and ions from the soil

Question 3

What are xylem vessels (cells)?

Answer 3

• cylindrical and empty
• in columns - like pipes
• thickened cell walls with cellulose and lignin (waterproof stuff)

Question 4

What are muscle cells?

Answer 4

• make up fibres that can shorten/contract
• some muscles attached to the skeleton
• their contraction moves bones and joints

Question 5

What are red blood cells?

Answer 5

• contain haemoglobin -> carries oxygen
• flattened discs