There are four slugs and they are retractable. The two are for viewing and sniffing and can be operated independently. Slugs can look (or sniff) you and your friends at the same time. The other two are for touching and tasting. 27янв. 2017 г.
Do slugs have four eyes?
First Do you have eyes on slugs? If so, where are you hiding? Slugs (and snails) have eyes, two of which sit on two tentacles (called eye stalks) above their heads! They don't see colors or shapes like we do, but they can still make light and dark colors. 2014
Do slugs have three hearts?
Most species have two chambers. The atrium that receives blood lymph from the gills or lungs and the ventricle that feeds it into the aorta. However, some primitive abdominal feet have two gills, each supplying its own pinna, so the heart has three chambers.
Where are the four noses of slugs?
The second tentacle is located at the bottom of the head and acts as a nose because it picks up chemical odors. They are also touch sensitive. To find food, slugs use all four tentacles.
Where are the eyes of slugs?
Slugs have two pairs of retractable tentacles. The pair above the tentacles is called the optical tentacles and is the eye of a slug. Optical tentacles have light-sensitive eye-spots on the edges that can be regrown if lost.
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