Give explanations :
The blood pressure in humans is greater at the feet than at the brain.

Explanation

**Step-by-Step Solution:**

1. **Understanding Blood Pressure**: Blood pressure is the force exerted by circulating blood on the walls of blood vessels. It varies in different parts of the body due to the effects of gravity.

2. **Pressure in Fluids**: According to the principle of hydrostatics, the pressure exerted by a column of liquid is given by the formula:
\[ P = \rho g h \]
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