What is the largest internal organ in the body

The largest internal organ in the body is the liver by mass

According to healthline, the largest solid internal organ is the liver. The liver weighs approximately 3-3.5 pounds and is about the size of a football.

answer; polycythemia is the correct answer;

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.