Exercise is activity requiring physical effort.

The process of oxygen diffusing from the lungs into the blood, and carbon dioxide diffusing from the blood into the lungs.

A chemical process in cells, which uses sugar as a fuel to provide energy for life processes.

The effects of exercise on the human body

Science

Good and ill health

Balanced diet

Food is a source of building materials and energy

Energy provided by food: practical

Imbalanced diet: starvation and deficiency diseases

Imbalanced diet: obesity

The effects of exercise on breathing and heart rate

Recovery time after exercise

Pupils will learn about infectious and non-infectious diseases and the impact of recreational drugs.

Pupils learned to recognise the impact of diet, exercise, drugs and lifestyle on the way their bodies function.

This unit covers the components of a healthy diet, energy requirements, and the effects of imbalances, exercise, asthma, and smoking on the body. It also focuses on planning scientific enquiries, applying mathematical concepts, performing calculations, and basic data analysis techniques.

Diet and exercise

Which of these activities would be classed as an exercise?

How much exercise should a child or young person aim to complete each day?

Physical activity can improve your {{}} strength, including your heart.

How can physical activity also improve your mental health?

Breathing rate is the number of breaths per ...

Cells need more carbon dioxide and glucose

Cells need more oxygen and glucose and to remove carbon dioxide.

Why does our heart rate increase when we exercise?

True or false. Cellular respiration takes place in the nucleus.

Which type of muscle is found in the heart?

We need {{}} from the air and glucose from our food to provide cells with the fuels for respiration.

True or false. Muscle cells need energy to contract and relax.

Starter Quiz

We breathe air into our .