Explain the physiological concept of flow down gradients and illustrate your understanding by presenting three examples...

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Medical Sciences

Explain the physiological concept of flow down gradients andillustrate your understanding by presenting three examples from atleast two different body systems. In your answer include the termsgradient and resistance.
Need more examples about resistance.

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FlowDown Gradients Flow is the movement of stuff small molecules ions blood air heat from one point in a system to another point in a system Flow occurs because of the existence of an energy gradient between two points in the system Examples 1Blood In order for blood to flow through a vessel or across a heart valve there must be a force propelling the blood This force is the difference in blood pressure ie pressure gradient across the vessel length or across the valve At any given pressure gradient the flow rate is determined by the resistance R to that flow The factors determining the resistance are described by the Poiseuille See Answer

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