1.3.1 specialised ANIMAL cells

What is the main job of red blood cells?

• To make food

• To absorb water

• To carry oxygen around the body

• To fight viruses

What makes red blood cells look red?

• Mucus

• Chlorophyll

• Haemoglobin

• Cytoplasm

Why do red blood cells not have a nucleus?

• Because they don’t need energy

• To leave more space for haemoglobin

• To help absorb light

• To carry signals

What structure surrounds a red blood cell?

• Cell wall

• Nucleus

• Cilia

• Cell membrane

Which part of the blood carries oxygen?

• Dendrite

• Chloroplast

• Haemoglobin

• Cilia

Which type of cell carries electrical signals in the body?

• Red blood cell

• Neurone

• Palisade cell

• Root hair cell

What is the long extension on a neurone called?

• Root hair

• Axon

• Cilia

• Mucus

What do dendrites do in a neurone?

• Make food

• Carry oxygen

• Collect signals from nearby nerve cells

• Sweep dust away

What are neurones used for?

• Absorbing water

• Making energy

• Carrying messages from the brain to muscles

• Trapping bacteria

Which cell part is NOT found in red blood cells?

• Cytoplasm

• Cell membrane

• Nucleus

• Haemoglobin