Jellyfish do n’t have a brain or a heart or blood and ca n’t see or hear and yet they ’ve managed to stand by around in our sea for 600 million class and have survived five sight extinctions . These drift blobs are awesome and especially awesome to look at . Deep Look examine why .
Deep Look write a bit on a Jellyfish ’s sting :
Jellyfish flimflam to paralyze their fair game . They use special cells called nematocysts . Jellyfish do n’t have a brain or a central nervous scheme to control these stinging cell , so each one has it ’s own trip wire , called a cnidocil .
When spark , the nematocyst cells act like a compounding of fishing hook and hypodermic acerate leaf . They fire a barb into the flesh of the jellyfish ’s prey at 10,000 metre the force of gravity – make it one of the flying mechanisms in the fauna kingdom . As the barb latches on , a ribbon - like filament bathed in toxin erupts from the barb and delivers the poison .
Animalsjellyfish
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