Hematocrit is a blood test that measures the percentage of the volume of whole blood that is made up of red blood cells. This measurement depends on the number of red blood cells and the size of red blood cells.
Definition of profound for Students. 1  1 : having or showing great knowledge and understanding a profound thinker. 2  2 : very deeply felt profound sorrow.
How to Reflect. Reflection is the art of pondering on one's virtues and faults. It is also the ability to reflect on the here and now, on your feelings and thoughts. This also includes reflecting on the thoughts, emotions and the feelings of others.