Guys, imagine ... ========================================== 1. As we know from medicine .. Cognac (brandy) dilates blood vessels of human .. If you have high blood pressure (high blood pressure), the medicine recommends drinking a little skate ... Then the vessels dilate and blood pressure is reduced .. - The pressure increases when the section reduce ... -------------------------------------------------- ---------------------------------- 2. As we know from physics (Bernoulli's law) .. when the movement of fluids through the vessels: - The pressure increases when the section increase ... ----------------------------------- Horrible... We need doctors and physicists shoot ... They are deceiving us ... ================================================ Or... it is necessary to know the physics? Who is right: medicine or physics? or both are right? Explain ... I'm waiting for the correct answer .. Selivan
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Number 2 is incorrect. This is Bernoulli's Law. In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy. The principle is named after Daniel Bernoulli who published it in his book Hydrodynamica in 1738. In other words is the vessel dilates the pressure decreases and the flow increases.