01 · Scuba DivingDiverBeginnerComing soon
SC003Diving Physiology
The human body under pressure: breathing, circulation, and how depth affects gas exchange, ears, sinuses and tissues.
10 lessons About 7 hours of study Diver tier (free during launch)
This course is planned. The syllabus is shown so you can see what it will cover; the lessons are still being written and reviewed.
What you will learn
- Describe how the respiratory and circulatory systems work
- Explain how pressure affects air spaces in the body
- Describe nitrogen absorption and why decompression matters
- Recognise the signs and causes of common diving-related conditions
Syllabus
- 1Breathing and circulation
- 2Gas exchange and oxygen transport
- 3Pressure and air spaces
- 4Ears and sinuses
- 5Nitrogen, tissues and decompression
- 6Narcosis and oxygen toxicity awareness
- 7Temperature, hydration and fatigue
- 8Health, fitness and when not to dive
- 9Case studies
- 10Revision and assessment