Question Constellation Sign up for free AQA · GCSE · Biology · Higher
Rescue Breaths and Oxygen Supply
The first-aider also forces air into the person’s lungs by blowing into their mouth.
Describe how forcing air into the person’s lungs helps the person.
Write your answer first. You can study the marking guidance whenever you need it.
Study the marking See what earns credit and compare it with a full-mark answer.
Marking points
- 1 Explains that forcing air in provides oxygen for respiration, or gives the allowed carbon-dioxide trigger explanation.
Full-mark answer
The forced air supplies oxygen to the lungs so that oxygen is available for respiration.
Why this answer loses marks
It restarts breathing.
This does not link the forced air to oxygen for respiration or explain a carbon-dioxide trigger.