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Heart
Recognize the components of the mammalian heart in diagrams and images, including the muscular wall, septum, left and right ventricles, left and right atria, one-way valves, and coronary arteries.
8
Objectives
80
Flashcards
56
Questions
90 min
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CambridgeIGCSECombined ScienceTransport in animals
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Heart outcomes8 objectives
- Recognize the components of the mammalian heart in diagrams and images, including the muscular wall, septum, left and right ventricles, left and right atria, one-way valves, and coronary arteries.
- Indicate that blood is transported away from the heart through arteries and returns via veins.
- Recognize that heart activity can be monitored using an ECG (electrocardiogram), measuring pulse rate, and listening for the sounds of valve closure.
- Conduct an investigation and explain how physical activity influences heart rate.
- Explain how the heart operates through the contraction of atrial and ventricular muscles and the functioning of the valves.
- Clarify how physical activity affects heart rate.
- Describe coronary heart disease as a condition caused by the blockage of coronary arteries and identify potential risk factors such as diet, inactivity, stress, smoking, genetic factors, age, and gender.
- Examine the impact of diet and exercise on lowering the risk of coronary heart disease.
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