Body systems
What are the parts of a human body?
Learn about the main parts of the human body and what they do.
How do humans digest food?
From chewing to pooing. Learn how our bodies get what they need from food. Bitesize 1st 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 1st Level Science guide for Scotland's Curriculum for Excellence (CfE).
How do humans breathe?
Learn about human lungs, respiration system, breathing in oxygen and breathing out carbon dioxide. Bitesize 1st Level Science in Scotland's Curriculum for Excellence (CfE).
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 1st Level Science guide for Scotland's Curriculum for Excellence (CfE).
Video playlist
Muscles needed for movement. Video
How muscles work in pairs to allow for smooth movement.
What do humans need to stay healthy? Video
An animation about how we can stay healthy and keep our bodies working at their best.
Why do we take medicine? Video
An interview with children who need to take asthma medicine regularly.
An introduction to the major organs of the human body. Video
An animated tour of the human body, naming the major organs.
Five types of food. Video
An athlete explains the importance of healthy eating and exercise.
An introduction to the main parts of the human body. Video
An animated tour of the human body, naming its main parts and describing what they do.
