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But how many hearts does an octopus have? It turns out that an octopus has three hearts, Kirt Onthank, an octopus biologist at Walla Walla University in Washington, told Live Science. The same holds true for their closest relatives, squid and cuttlefish. The octopuses' largest heart, the ...
Octopuses have three hearts, which is partly a consequence of having blue blood. Their two peripheral hearts pump blood through the gills, where it picks up oxygen. A central heart then circulates the oxygenated blood to the rest of the body to provide e
How many tentacles does an octopus have? #BBCEarthPresenterSearch 21 related questions found Why do octopuses have 9 brains? Octopuses have 3 hearts, because two pump blood to the gills and a larger heart circulates blood to the rest of the body. Octopuses have 9 brains because,in addition...
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Its gills, hearts, digestive system and reproductive glands are all crammed into this one space. The strong muscles in the mantle protect the organs and help with respiration and contraction. The octopus also has a funnel, sometimes called a siphon, which is a tubular opening that serves as ...
The ampullae de Lorenzini compose part of sharks'lateral line. The lateral line is a sensory organ in manyfishand amphibians that stretches down their sides from gills to tail. The long, hollow tube opens out into the skin at perforated scales. This system allows sharks to sense water displac...
Part memoir and part recipe book, Love & Hunger can be read cover to cover, as I did, just like a novel, or can be dipped into when the moment requires. Charlotte's unusual cook book is the wise friend many of us do not have ready at hand 24/7. Love & Hunger is a guide, an...
Author! community, A. Verage Reader. I was delighted to see A’s query pop into my inbox: not only does her book sound like a real page-turner, but she has also, like so many well-meaning, talented aspiring writers across the globe, submitted a query that pr...