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Problem on mass balance law

Using the mass balance law approach, write down a set of word equations to model the transport of lead concentration.

A) Draw a compartmental model to represent  the diffusion of lead through the lungs and the bloodstream.

B) Write down a set of differential equations for your model to describe thc rate of change of lead in both the lungs and  the bloodstream. (Check  your dimensions).

C) Nondimensionalise your system of equations.

D) What is your time scale factor?

E) Analytically solve your system of equations found in (1d).

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