Physical health is the condition of your body.

Mental health is how you feel, think and act.

An unusual change in a person’s normal appearance, function or behaviour might be a symptom of ill health.

Disease is a persistent deviation from a person’s normal appearance, function or behaviour.

Good and ill health

Science

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 the human body

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

Foods that share similar nutritional properties will be in the same food group.

Nutrients are essential for a healthy body and mind.

A balanced diet is comprised of the right amount of each food group.

Source of building materials and energy for living organisms.

The difference in the starting and end temperature of a substance.

An average of several measurements, which is calculated by adding them up and dividing by the number of measurements.

A variable is anything that can change or be changed in an investigation.

Body mass index (BMI) is a measure that compares your weight and height to assess whether they are in a healthy proportion.

When a person does not receive enough calories for their normal bodily function.

A disease that occurs due to a lack of essential nutrients in the diet.

A condition in which the coronary arteries become blocked.

When a person cannot control their blood sugar levels.

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.

A factor that needs to be kept the same to make the investigation valid.

the number of beats per minute (bpm) of the heart

a graph displaying continuous data plotted as points joined with a line

the time it takes for a person’s heart rate to return to the resting heart rate after exercise

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