Physiology · Cardiovascular System · Easy
Vasodilation
Meaning: The widening of blood vessels caused by relaxation of the smooth muscle in their walls.
In practice: Alcohol causes vasodilation in the skin, giving a flushed face and a feeling of warmth.
Quick check
Two questions on related physiology words.
Which word means: The study of blood flow and the physical forces that govern circulation.
Answer: Haemodynamics
Which word means: To remove waste or particles from a fluid, as performed by the kidneys.
Answer: Filter
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