What’s inside a snail’s shell?



  • Snails belong to the kingdom Animalia with phylum Mollusca.
  • They come under the category of class gastropoda.
  • Gastropods can include both kind of animals, with shell or without shell.
  • The snail without shell is known as slug instead of snail.
  • A snails body has major five different major body parts named as the head, the neck, the visceral hump, the tail and the foot.
  • The slug also has the similar body parts just like snail with the exception of just one main body part that is the visceral hump or the shell.

What’s inside a snails shell?

  • The slug does not have any shell like snail.
  • Its internal structures are protected by the mantle.
  • Mantle is known to cover the fourth or third part of the slug and prevent any danger to its internal organs.
  • Both the snail and slug consist of a pair of tentacles, both having eyes on their tip.
  • For snail, tentacles are the organs situated outside the shell.
  • Eyes on the tentacles are useful for the observation of surrounding place.
  • Shells are the hard substance through which snail gets its protection against any predator.
  • Calcium Carbonate is the main substance used for the making of snails shell.
  • Snails are known to move forward and backward through their foot which are a muscular body part.

Fun Facts:

  1. Snail and shellfish belong to the same category.
  2. The mucous secreted by the snail is found to be positive thing for our skin by providing us with some healing properties.
  3. According to the reports, the smallest land animal can fit inside the eye of the needle.

Related Questions:

  1. Explain the uses of snail’s shell.
  2. How is snail useful to us?
  3. Explain some species of different type of snail.

True or False:

  1. Snail belong to the kingdom plantae.
  2. Snail belong to the kingdom Animalia.
  3. Snail have no shells on them.
  4. Slugs have shells on them.
  5. Snail and slugs are same with no difference in between them.

Objective Quiz:

  1. Snails belong to the _______.
    1. Phylum Mollusca.
    2. Phylum Mammalia.
    3. Phylum Insecta.
    4. None of the above.
  2. The snail without shell is known as ______.
    1. A slug.
    2. A sludge.
    3. A snug.
    4. None of the above.
  3. Snail has ______ of tentacles.
    1. A pair
    2. Three pair.
    3. Two pair.
    4. None of the above.
  4. Shell is used for the _________.
    1. Protection.
    2. Walking.
    3. Both 1) and 2).
    4. None of the above.
  5. The main substance for the shell is _______.
    1. Calcium carbonate.
    2. Calcium sulphate.
    3. Calcium chloride.
    4. Calcium nitrate.


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