Year 10 - Physical education
A practical exploration of how the cardio-respiratory systems work together
Anatomy and physiology: the cardio-respiratory system
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
This unit will examine the structure and function of both the cardiovascular and respiratory systems. It includes the correct anatomical names and location of different chambers, valves and blood vessels as well as the pathway of air through to the alveoli and how gaseous exchange occurs.
Lesson Summary
You will learn to explain how your cardiovascular and respiratory systems work together to support performance in sport.
Key Notes
- Gaseous exchange is when oxygen and carbon dioxide move or diffuse from high concentration to lower concentration.
- Oxygen is delivered to the circulatory system and then to the working muscles.
- The respiratory system gets oxygen into the body, then the circulatory system transports it to the body.
Vocabulary To Learn
- cardio-respiratory: the combined functions of the cardiovascular system or heart and blood vessels and the respiratory system or lungs and airways
- gaseous exchange: the process where oxygen and carbon dioxide are transferred between the alveoli in the lungs and the bloodstream via capillaries
- performance: the execution of an action or the ability to achieve a task effectively and efficiently
Common Mistakes To Avoid
- All of the oxygen we breathe in is used by the muscles.
3 Quick Questions (With Answers)
1. Explain the lesson in two key points.
Gaseous exchange is when oxygen and carbon dioxide move or diffuse from high concentration to lower concentration. Oxygen is delivered to the circulatory system and then to the working muscles.
2. What does this key word mean in this lesson? 'cardio-respiratory'
the combined functions of the cardiovascular system or heart and blood vessels and the respiratory system or lungs and airways.
3. Correct this common mistake.
Mistake: All of the oxygen we breathe in is used by the muscles. Correction: The body only extracts a small percentage of the oxygen in each breath so it is important we keep breathing during and after exercise. You can only moves gases to an area of lower concentration so once that is equal diffusion stops.
More Lessons In This Unit
- A practical exploration of the pathway of blood Study Guide
- Air pathway from the atmosphere to alveoli and gaseous exchange Study Guide
- Blood vessels and blood cells Study Guide
- Blood vessels, blood cells and the vascular shunt Study Guide
- Double circulatory system and structure of the heart Study Guide
- Mechanics of breathing and interpretation of a spirometer trace Study Guide
- Structure of the cardiovascular system Study Guide
- The cardiac cycle Study Guide
- The mechanics of breathing Study Guide
- The relationship between heart rate, stroke volume and cardiac output Study Guide
- The structure of the heart Study Guide
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