Respiration and Circulation — BIOLOGY STD 12 Science — Question
Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYRespiration and Circulation4 Marks
Question
Atherosclerosis.
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Answer
Atherosclerosis is the deposition of fatty substances and cholesterol on the inner lining of eateries.
This deposition results in the formation of atherosclerotic plaque.
It results in the decrease of the lumen of the blood vessels causing increasing resistance for the blood to flow which in turn results in the hypertension.
Atherosclerosis of the coronary arteries results in decrease in the blood flow to the heart muscles.
Due to such condition, coronary heart disease is caused.
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