Class 11 · Body Fluids and Circulation

Coronary Artery Disease and Atherosclerosis — NEET Biology

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📖 NCERT Source

Coronary Artery Disease (CAD): Coronary Artery Disease, often referred to as atherosclerosis, affects the vessels that supply blood to the heart muscle. It is caused by deposits of calcium, fat, cholesterol and fibrous tissues, which makes the lumen of arteries narrower.

NCERT Biology · Class 11 · Chapter 15 · Paragraph 39
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Match the following circulatory conditions with their consequences: A. High blood pressure B. Coronary blockage C. Heart failure D. Angina 1. May damage brain/kidneys 2. Reduced oxygen to myocardium 3. Ventricles don’t pump efficiently 4. Severe pain during exertion

📖 Solution & NCERT Explanation
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Correct answer: A A-1, B-2, C-3, D-4

A: Hypertension → organ damage B: Coronary blockage → oxygen deprivation C: Heart failure → reduced cardiac output D: Angina → exertion-linked pain

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What does NCERT say about Coronary Artery Disease CAD?
Coronary Artery Disease (CAD): Coronary Artery Disease, often referred to as atherosclerosis, affects the vessels that supply blood to the heart muscle. It is caused by deposits of calcium, fat, cholesterol and fibrous tissues, which makes the lumen of arteries narrower.
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Body Fluids and Circulation, Class 11 NCERT Biology.

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