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Why there is no circulatory system …

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Why there is no circulatory system in unicellular organisms?

Posted by Harshal Joshi 5 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Shreyas Sharma 5 years, 1 month ago

In unicellular organism, there is only one cell which is in direct contact with surrounding environment. So, it can fulfill its need by simple diffusion. Hope this is correct. :3

0Thank You

Rishi Singh 5 years, 1 month ago

because oxygen and carbon dioxide diffuse directly between their body tissues and the external environment.

3Thank You

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CBSE > Class 10 > Science