Fat is an essential part of a senior's diet. Whether your elder needs to gain weight or even suffers from dry skin, nails, and hair, fat is definitely their friend. Gram for gram, fat has the most calories compared to the other macronutrientsâprotein and carbohydrates.
The average weight of an adult human kidney is approximately one-quarter pound. Each kidney is approximately 4 inches long, 2.5 inches wide, and 1.5 inches thick. The kidney receives about 20 percent of the blood coming from the heart each time it beats.
Measuring Urine Specific Gravity. Specific gravity of urine is measured using a refractometer. This instrument measures the density of urine, as compared to pure water. A drop of urine is placed on the glass, the cover closed, and the values are read by looking through a viewfinder. Here is a view through a refractometer.