Welcome to Saiful's Biology. হাইড্রার এপিডার্মিসের কোষসমূহ || Epidermal cell of Hydra is a important topic of your subject. This topic is in chapter 2 of your biology 2nd part. You can learn it very easily. By seeing the picture you can describe the topic very easily. and that is my technique. You can learn the name of epidermal cells. Channel link: https://www.youtube.com/channel/UCxP9...

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