Snails usually have two ventricles, one atriosphere and one ventricle. Few groups have two atriums, and the heart is a three-chamber atrium. There is a valve between the atrium and the ventricle to prevent blood from flowing back. The snail cycle is basically open. 17th. 2012г.
Does the snail have a heart?
The snail's heart has two ventricles, the ventricle and the atrium. It is in the heart bag, the so-called pericardium. .. Water snails excrete highly diluted primary urine, while terrestrial pulmonary snails have developed the ability to absorb most of the water.
How many hearts do slugs have?
Inside the trunk below the part covered on the left side of the mantle is its heart. The heart has only two chambers (there are four!) The slugs have blood! Their blood contains white blood cells (amoebic cells) and hemocyanins, which carry oxygen to the cells of the slag and carry away carbon dioxide.
Does the snail have a brain?
The snail's cerebral ganglia form a primitive brain that is divided into four sections. This structure is much simpler than the brains of mammals, reptiles and birds, yet snails are capable of associative learning.
How many stomachs do snails have?
5-saliva duct, 6-esophagus, 7-stomach.
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