How structures of the body relate to its functions
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The structures of the body or the set organ relates to its function by the cell that form the organ. In a cellular level, cells makes up the tissues which make up the organ then the organ system. Focusing in organs, these organs functions accordingly as what they're supposed to do and was formed to such degree to ensure its optimum performance for example, the skin is made up of epithelial tissues which has seven layers which serves as a protective layer of the body. Another is the brain, the brain is made up of many nerve tissues and cells that allows it to do its responsibility or acted function, since nerve cells are the cells responsible for functions like sensitivity, reaction, emotion, memory, sensation & perception and etc the brain is made from brain cells, itself.

Hunting in the darksome fish rely on senses beyond sight. in the darkness of the marianas trench, a fish called the rattail has an extremely sensitive sense of smell. the fish uses scent, rather than sight, to steer toward food. once it's near food, the rattail uses a special organ on the bottom of its chin to guide itself by feel.marine snowone staple of the deep sea diet is "marine snow," flakes of organic, edible substances that sink down from the upper ocean. animals at the ocean's bottom find sustenance in everything from the bodies of dead creatures to fecal matter. marine snow is diverse enough to support numerous species. for instance, several species of snails and worms feed exclusively on deceased whales.microorganismsthe deep sea is an intricate ecosystem, and even the ocean floor itself plays a part. hydrothermal vents are cracks in the sea floor where erupting magma mixes with ocean water to produce plumes of hot, sulfur-rich chemicals. some microbes can use these chemicals for energy, sustaining their existence and that of the animals who depend on their roles in the deep sea food chain.