Biology

What controls the activities of a cell?

The nucleus

What is the jelly-like substance inside cells called?

Cytoplasm

What does the cell membrane do?

Controls what enters and leaves the cell.

What is the function of mitochondria?

Releases energy during respiration.

What is the function of ribosomes?

Make proteins.

What extra structure do plant cells have for support?

Cell wall

What do chloroplasts contain?

Chlorophyll

What is photosynthesis?

The process plants use to make food

Which cell carries oxygen?

Red blood cell.

Why does a sperm cell have a tail?

To swim to the egg

What is fertilisation?

The joining of sperm and egg cells

What does MRS GREN stand for?

Movement, Respiration, Sensitivity, Growth, Reproduction, Excretion, Nutrition.

What is respiration?

Releasing energy from food

What system transports blood around the body?

Circulatory system

What is the function of the digestive system?

Breaks down food

What is an adaptation?

A feature that helps survival

Why do polar bears have thick fur?

To keep warm

What do roots absorb from soil?

Water and minerals.

What gas do plants take in for photosynthesis?

Carbon dioxide

What gas do plants release during photosynthesis?

Oxygen

What organ pumps blood around the body?

The heart

What is the function of lungs?

Gas exchange

Which organ system controls the body using nerves?

Nervous system

What is excretion?

Removal of waste

What is growth?

Increase in size.