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How do jellyfish breath?
1
How do jellyfish breath?
by Kovan Khurshed
Jellyfish
Jellyfish have no specialised exchange surfaces which means that they cant respire the same way we do also jellyfish don’t have gills so they don’t respire that way either
In jellyfish the distance of cells is so low that they can respire with diffusion
The anatomy of a jellyfish
The bodies of an jellyfish consist of an outer layer of tissue called the epidermis and an inner layer called the gastrodermis which lines the digestive organ
(as seen in the image)
The shape of the jellyfish’s digestive organs has a high surface area to volume ratio which increases the rate of diffusion
The anatomy of a jellyfish
Mesoglea
The two layer of tissue sandwich an elastic jelly like substance called the mesoglea which is a non-living material so it doesn’t need oxygen also the mesoglea can store oxygen for the living tissue this allows jelly fish to go to low oxygen environments where there might be more food for the jelly fish
Conclusion
The shape of the digestive organs in a jellyfish increases diffusion also the distance of the cells is very low which allows the jellyfish to survive in it's environment and the mesoglea allows it to survive in low oxygen environments where there might be more food.