How do humans digest food?

From chewing to pooing. Learn how our bodies get what they need from food. Bitesize 2nd Level Science guide on the digestive system for Scotland's Curriculum for Excellence (CfE).

What does the heart do?

Learn how the heart pumps blood round the circulatory system to deliver oxygen and nutrients. Bitesize 2nd Level Science guide for Scotland's Curriculum for Excellence (CfE).

How do different animal circulation systems work?

Find out about the different ways blood circulates around mammals, fish and insects.

How do plants get energy and food to grow?

Learn about photosynthesis and respiration, and how plants gain nutrients to grow.

How do humans breathe?

Learn about human lungs, respiration system, breathing in oxygen and breathing out carbon dioxide. Bitesize 2nd Level Science in Scotland's Curriculum for Excellence (CfE)

How do different animals breathe?

Learn how a fish, frog and grasshopper breathe in different ways.

How does a human skeleton work?

Learn how bones and the human skeleton let us move, hold our bodies up and protect our organs. Bitesize 2nd Level Science guide for Scotland's Curriculum for Excellence (CfE)

How do humans maintain temperature and water balance?

Sweating, drinking and the kidneys help keep body temperature and water levels balanced.

How do animals control their body temperature?

Find out how animal behaviour helps them maintain their body temperature.

How do different animals control their body temperature?

Find out how conformers and regulators maintain their body temperature in different ways.

12 class clips

We have a selection of great videos for use in the classroom