Specialised Cells

Question 1

What is the function of red blood cells?

Answer 1

Carries oxygen around the body.

Features: Bi-concave shape increases surface area to carry more oxygen.

Question 2

What is the function of root hair cells?

Answer 2

Absorbs water and minerals from the soil.

Features: Long cytoplasmic extension increases surface area for absorption.

Question 3

What is the function of palisade leaf cells?

Answer 3

Contain organelles that trap sunlight for photosynthesis.

Features: Have chloroplasts and a large vacuole filled with cell sap.

Question 4

What is the function of muscle cells?

Answer 4

Contract to bring about movement.

Features: Elongated with protein fibers so they can contract and shorten.

Question 5

What is the function of nerve cells?

Answer 5

Carries electrical messages around the body.

Features: Long, thin, wire-like structures; part of the communication systems of your body.

Question 6

What is the effect of increased surface area on processes?

Answer 6

Increased surface area results in an increased rate (speed) of the process that utilizes that surface.