Snail Anatomy II

Last year of Apr, a little girl donated her 2 snails to us as shown beside photo.

And then, they laid egg as photo.

After about 45 days, they hatched out.

I donated the small snail to a child, she has cared well until now.

Her snail grow up to about 10 times bigger size

Last week, she showed her snail to me and asked..

Would you find a friend of snail ?

Her snail is alone so it looks some solitary.

Sujeong who 8 years old girl was very shy girl at first.

Even she was scared at seeing and touching small insect and fish.

Now she is thankful to all surrounding her in the world like as animal or any plant.

Snail anatomy - assembling snail

Snails have no brain, but they have a structure called celebral ganglion, which is devided into four sections. It is much simpler than the brains of mammals and reptiles.

Snails have the capability to think and learn.

Some tests show that they can walk through the mazes.

It is a pair of salivary glands line on front part of esophagus, which secrets mucus and a digestive fluid into the esophagus and mix with the food.

Their eyes are on the tip of the tentacles, and at the base of the tentacles for marine species.

The snail's stomach have several muscular layers which is the first major organ of chemical digestion in a snail.

Snails are hermaphroditic and their ovotestis produce both egg and sperm, and are connected with 2 different ducts that transport eggs and sperms separately.

You can purchase this fantasic toy at http://learningtoy.blogspot.com with the lowest price in the world.

Animal Cell Anatomy

Children learned about "animal cell" using these fantasic puzzle.

Nucleus : The most obvious organelle in most of eukaryotic cells.

Centrosome : During animal cell division, the centrioles replicate and the centrosome divides.

Golgi Complex : This important apparatus has the function to manufacture and package the macromolecules such as proteins and lipids that are synthesized by the cell.

Rough Endoplasmic Reticulum : It appeares "pebbled" due to numerous ribosomes on its surface. Proteins synthesized on these ribosomes are collect in the Endoplasmic Reticulum for transport throughout the cell.

Peroxisome : White blood cells produce hydrogen peroxide to kill bacteria. Peroxisomes also help to break down the hydrogen peroxide into water and oxygen.

Mitochondria : It provides the energy needed for a cell to move, to divide, to produce secretory products. They may have different shapes depending on the cell type.

You can purchase this wonderful education toy for "Animal Cell anatomy" at http://learningtoy.blogspot.com/

Frog Anatomy

Through this fantasic puzzle, our children learned about frog.

With tadpole and frog' egg.

All tadpoles cannot grow up to frog.

If do so, what happen?

You can purchase frog anatomy puzzle at http://learningtoy.blogspot.com/

Plant Cell Anatomy

During last weeek, children have learned about 'Plant cell anatomy" with this wonderful puzzle.

Nucleus : The nucleus is the most obvious organelle in most of eukaryoyic cells, which is enclosed in a double membrane and contains most of the cell's genetic material, organized as multiple long linear DNA molecules in complex with a large variety of proteins, such as histones, to form chromosomes.

Size : 17 x 12 x 7 without plate. Included instruction and 36 question cards.

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Mammoth Anatomy-Jan 2011

Heart
1. The heart of mammoth had two sides and each side with two chambers an ______ and a _____.


2. The big strong blood pump
may work much ____________ than ours.

Kidney

1. Mammoth had a pair of kidney in their body, located near the ilium, they filter wastes from the blood, and make________.

Stomach

1. Like the modern elephant, mammoths stored their food and mixed them with _____, to begin digestion in _______.

Lung
1. Mammoth had a large ____________ that can supply enough ____________ for its huge body.

Stomach

1. Plants are not easy to be digested.
It could not just done by the _______ of mammoths, and it also depended
on ________microorganisms to help
breaking down the plants tissues.

This fantasic mammoth anatomy block consisted with 30 parts w/stand. Guide book and questions card.
You can purchase at http://learningtoy.blogspot.com/

Make Aircraft Kit

Making our aircraft kit which running during 90 seconds, the 1st session is making "Propeller".

You can review this manual on attached file.

This kit is run by AA battery.