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usta

Front opening of the digestive tract, into which food is taken for digestion. In flatworms, the mouth is the only opening into the digestive cavity, and is located on the "belly" of the worm.

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Od usta do usta
إعلان; الاتصالات التسويقية

Information about products and services conveyed from one individual to another.

škrga
بيولوجيا; علم الحيوان

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.

rod
بيولوجيا; علم الحيوان

A category in the classification of plants and animals between species and family; genera- pl.

mozak
بيولوجيا; علم الحيوان

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 ...

krv
بيولوجيا; علم الحيوان

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

anus
بيولوجيا; علم الحيوان

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

trbuh
بيولوجيا; علم الحيوان

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

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