As shown in this figure, terrestrial snails have a set of three major organs for sensing the surrounding world.
Do snails have four hearts?
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.
Do snails have five hearts?
The snail's heart has two ventricles, the ventricle and the atrium. .. The excretory organs of snails were originally derived from the posterior renal ducts of segmented worms (annelids). Water snails excrete highly diluted primary urine, while terrestrial pulmonary snails have developed the ability to absorb most of the water.
How many snail body parts are there?
General body structure The snail's body consists of five main parts: the head, neck, internal organs hump, tail, and feet. Slugs have the same important parts, except for the humps and shells of the internal organs.
Can snails be deaf?
Snail vision is useful, but it only detects changes in light intensity and recognizes whether it is night or day. You can move the tentacles up and down to improve your ability to see. However, because there is no ear or ear canal, you cannot actually hear.
Below you will find two helpful answers on a similar topic. 👇
How many heart does a snail have?Can a slug hurt you?