Tutor profile: Anup O.
Of our body's total cell count, what percentage of the total do actual human cells make up?
Only 43% of the total. 53% of the cells are microbes including bacteria, viruses, fungi and archaea. In short, more than half of our body is not human, numerically speaking.
What is the least understood organ in the human body?
It is the brain.
What is opportunity cost?
As an example, the opportunity cost of going to college to receive an undergraduate degree is the money one would be making if he/she were to be working full time for those 4 years.
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