The action of inhaling and exhaling smoke from burning tobacco.

Highly addictive drug found in tobacco leaves.

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

Smoking

Science

Differences between infectious and non-infectious disease

The gas exchange system in healthy humans

Lifestyle diseases

Asthma

Vaping

Recreational drug use: depressants

Recreational drug use: stimulants

Solvent abuse

Pupils will learn more about non-communicable diseases in humans including cardiovascular diseases and cancer; and about communicable diseases in humans and plants caused by pathogens including bacteria, viruses, fungi and protists.

Pupils learned about the major food groups, eating a balanced diet and how it affects health. Pupils also looked at food labels and calculated the amount of energy provided by different foods and investigated the effects of exercise on heart rate and breathing rate.

This unit explores the human gas exchange system, focusing on the impact of exercise, asthma, smoking, recreational drugs, and the differences between infectious and non-infectious diseases. It emphasises understanding scientific methods, evidence, risk evaluation, and peer review importance.

Disease and drugs

Subjects which particular individuals may be sensitive to, eg, adoption, migration, bereavement or death, divorce, poverty, deprivation.

Depiction or discussion of sensitive content

The dried leaves of the {{}} plant are found in cigarettes.

Which highly addictive drug is found in cigarettes?

What affect does nicotine have on the body?

Which of the organ systems is the most affected by smoking?

The {{}} arteries are the blood vessels that supply the heart with blood. They can be blocked by fatty deposits caused by smoking.

damage to the DNA causes the cell to uncontrollably divide

damage to the heart and its blood vessels

Where is the site of gas exchange in humans?

The heart rate is the number of beats per ...

Which reactants (fuel) are needed for cellular respiration?

Which lifestyle factors are associated with strokes?

Smoking

Lesson outcome

Content guidance