kostur

kostur

Support structure in animals, against which the force of muscles acts. Vertebrates have a skeleton of bone or cartilage; arthropods have one made of chitin; while many other invertebrates use a hydrostatic skeleton, which is merely an incompressible fluid-filled region of their body.

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Bransch/domän: Biology
Category: Zoology
Company: Berkeley
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In aquatic animals, highly vascularized tissues with large surface area; these are extended out of the body and into the surrounding water for gas exchange.

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Collection of nerve cells usually located at the anterior end of an animal, when present at all. The nerves coordinate information gathered by sense organs, locomotion, and most ...

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Fluid which circulates throughout the body of an animal, distributing nutrients, and often oxygen as well.

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End of the digestive tract, or gut, through which waste products of digestion are excreted, as distinct from the mouth.

trbuh

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Region of the body furthest from the mouth. In insects, the third body region behind the head and thorax.

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Bransch/domän: Festivals Category: Halloween

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Also known as All Hallow's Eve, Halloween is an annual holiday celebrated on October 31st in America, Canada, and the UK. It is supposedly the one day ...