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What causes angina pectoris?(a) Lack of oxygen in heart muscles(b) Increase in blood pressure(c) Deposition of phosphorus in blood vessels(d) Irregular heartbeatI got this question by my college professor while I was bunking the class.This is a very interesting question from Disorders in Circulatory System topic in portion Body Fluids and Circulation of Biology – Class 11

Answer» CORRECT answer is (a) LACK of oxygen in heart muscles

Best EXPLANATION: Angina pectoris or acute chest pain is a heart DISEASE that occurs when an adequate amount of oxygen does not reach the heart muscles. It is caused due to FACTORS which affect proper blood flow.


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