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Briefly describe the following: Angina Pectoris - Biology

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प्रश्न

Briefly describe the following:

Angina Pectoris

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उत्तर

  1. When enough oxygen does not reach the heart muscles, angina pectoris develops, causing chest pain and discomfort.
  2. Angina pectoris is the pain in the chest. It results from a reduction in blood supply to cardiac muscle due to narrowed and hardened coronary arteries.
  3. Angina pectoris often occurs during exertion, when the heart demands more oxygen and narrowed blood vessels cannot supply. It disappears with rest.
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पाठ 18: Body Fluids and Circulation - Exercises [पृष्ठ १०५]

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एनसीईआरटी एक्झांप्लर Biology [English] Class 11
पाठ 18 Body Fluids and Circulation
Exercises | Q 3. b. | पृष्ठ १०५
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