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Karnataka Board PUCPUC Science Class 11

Briefly describe the following: Angina Pectoris - Biology

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Question

Briefly describe the following:

Angina Pectoris

Short/Brief Note
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Solution

  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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Chapter 18: Body Fluids and Circulation - Exercises [Page 105]

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NCERT Exemplar Biology [English] Class 11
Chapter 18 Body Fluids and Circulation
Exercises | Q 3. b. | Page 105
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