Explain the effect of physical activity on the heart rate
Explain the effect of physical activity on the heart rate
1 Answer
Questions and Answers For
IGCSE Biology
322 Questions
1 AnswerDescribe the functioning of the heart in terms of the contraction of muscles of the atria and ventricles and the action of the valves
Describe the functioning of the heart in terms of the contraction of muscles of the atria and ventricles and the action of the valves
1 AnswerExplain the importance of the septum in separating oxygenated and deoxygenated blood
Explain the importance of the septum in separating oxygenated and deoxygenated blood
1 AnswerExplain the relative thickness of: (a) the muscle walls of the left and right ventricles (b) the muscle walls of the atria compared to those of the ventricles
Explain the relative thickness of: (a) the muscle walls of the left and right ventricles (b) the muscle walls of the atria compared to those of the ventricles
1 AnswerIdentify in diagrams and images the atrioventricular and semilunar valves in the mammalian heart
Identify in diagrams and images the atrioventricular and semilunar valves in the mammalian heart
1 AnswerDiscuss the roles of diet and exercise in reducing the risk of coronary heart disease
Discuss the roles of diet and exercise in reducing the risk of coronary heart disease
1 AnswerDescribe coronary heart disease in terms of the blockage of coronary arteries and state the possible risk factors including: diet, lack of exercise, stress, smoking, genetic predisposition, age and sex
Describe coronary heart disease in terms of the blockage of coronary arteries and state the possible risk factors including: diet, lack of exercise, stress, smoking, genetic predisposition, age and sex
1 AnswerInvestigate and describe the effect of physical activity on the heart rate
Investigate and describe the effect of physical activity on the heart rate
1 AnswerState that the activity of the heart may be monitored by: ECG, pulse rate and listening to sounds of valves closing
State that the activity of the heart may be monitored by: ECG, pulse rate and listening to sounds of valves closing
1 AnswerDescribe the single circulation of a fish
Describe the single circulation of a fish
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