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In our childhood, many people have watched the cartoon "SpongeBob SquarePants", and the yellow SpongeBob SquarePants in the cartoon is also very popular with everyone. But when it comes to natural sponges, many people don't know what natural sponges are. I don't know if you know, but in fact, natural sponges are alive.
Natural sponge is not like our artificial self-made composite sponge, natural sponge has been growing in the seabed, and natural sponge is also a renewable resource, if we want to obtain natural sponge, we can only obtain it on the seabed.
There are many types of natural sponges, and natural sponges themselves have a very primitive smell of the sea. The texture of the natural sponge is also very soft, and it feels very delicate to the touch, and its use is also very wide in our daily life, and the cost performance is also relatively high. It is very suitable for us to take a bath or wash our face in our daily life, and it is very popular with everyone.
Natural honeycomb cotton is also a kind of natural sponge, its best use is bathing, and natural honeycomb cotton is also very durable, it is also very absorbent, and its ability to clean is also very strong.
The simplest animal in the world is the sponge, which is also a multicellular animal. Although the sponge is said to be an animal, it cannot walk because it has neither a head nor a tail, nor a torso nor limbs, let alone some nerves and organs. Sponges can only attach to reefs on the bottom of the sea, and the way they get food is very simple, mainly from the seawater that passes around them.
Until the 18th century, people used sponges as a kind of plant, because technology was not developed at that time. But with the invention of the microscope, we have a clearer understanding of the true face of sponges. There are many types of sponges, and their colors are also very colorful, and most of the natural sponges have been living on the bottom of the sea.
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Sponges live on the ocean floor and just like slime bacteria, they are a loose aggregate of cells. If you want to trace the precursors of sponge organisms, you have to turn to the Cretaceous period, where they first appeared in the deep sea of the Cretaceous period and can be called a living fossil. And their function, as we think, is that sponge creatures were used as a superior cleaning product as early as the ancient Greek period.
In the Mediterranean, when every sponge dies, the carcass is collected, processed and sold in the market.
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It must be manually submerged into the seabed to pick, after picking ashore, repeatedly filtered and washed to remove seaweed sand and gravel, fine shells and other marine impurities, and then pruning and bleaching and other 46 to all manual processes are completed.
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This is obtained through technological means, and people use some machines to scoop up these things and use them.
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