It can be observed and tested
The difference between diploid and haploid cells a duplicated chromosome consists of two sets of chromosomes.
The diploid cells consists of two sets of chromosomes whereas the haploid cells consists of one set of chromosomes. The haploid cells are formed by the process of meiosis and the diploid cell formed by the process of mitosis.
In the higher organism, such as human the gametes are haploid and beside their all cells are diploid. The diploid cell when reproduce or increase their number through mitosis they form identical copy of its chromosomes.
The examples of diploid cells are nerve cell, bone cell, etc. And the examples of haploid cell includes gametes.
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The buffer systems functioning in blood plasma include plasma proteins, phosphate, and bicarbonate and carbonic acid buffers. The kidneys help control acid-base balance by excreting hydrogen ions and generating bicarbonate that helps maintain blood plasma pH within a normal range.