Basic structure of coral

The coral's body consists of two germ layers: the outer layer of cells is called the ectoderm; the inner layer of cells is called the endoderm. There is a thin layer of medium glue with no cell structure between the inner and outer germ layers. These animals are headless and torso, have no nerve center, and only have a diffuse nervous system. When stimulated by the outside world, the entire animal body responds. Its lifestyle is to float freely or to fix the underlying habitat. Living corals, living in the ocean.

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Neoprene hoods are usually unisex items (mens and womens) and designed to retain heat lost through the head. When you are in very cold water, your head will losethe most warmth through the head, so you need a separate hood to keep warm. For surfing, you need a surfing hoods. For scuba diving, you may need a scuba dive hoods. Many neoprene hoods now come with fleece linings as to increase the overall warmth by keeping the hood pocket dryer, this is because these linings are hydrophobic and repel water from inside the hood.

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