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Investigating factors affecting the heart rate of Daphnia
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Observing the effects of exercise on the human body
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Looking at a heart
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Monitoring the body’s reactions to stress
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The vertebrate heart in action
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Control of heart rate
Investigate how heart rate changes with temperature, or under the influence of other chemicals that are physiologically active in mammals and other vertebrates. There are details here of a procedure for investigating living Daphnia, and also a detailed...
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Modelling effect of aspirin on blood clots
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Structure of a heart
A closer look at the structures of hearts from different animals will help students to understand how they work and how different heart problems affect the body. Experiments
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Dissecting lungs
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Modelling the human ventilation system
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Elastic recoil in arteries and veins
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Going up in smoke
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Interpreting information about sweating and temperature
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Observing blood circulation in Asellus
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Evaluating methods of pest control
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Dissection of the ventilation system of a locust
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Measuring reaction time of a human nerve-controlled reaction
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Investigating the effect of minerals on plant growth
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Homeostasis
Many of our control systems operate to maintain a constant internal environment – for example the response of heart rate and breathing rate to exercise results in maintenance of levels of oxygen, carbon dioxide and glucose in the blood, and several...