Question

Which is the breathing organ in unicellular organisms?​

Answer 1

Answer:

Unicellular organisms do not breathe in the typical sense, but they respirate by allowing oxygen to enter the cell membrane through the process of diffusion. Because they are so small, they do not have the organs, pores and entryways to breathe like multicellular organisms.

Answer 2

Answer:

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Unicellular organisms are those organisms which are made up of a single cell. Some of the common examples of unicellular organisms are amoeba, paramecium, etc. Plant respire through stomata and lenticels whereas animals respire through lungs, gills and skin.

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