Structure of an Atom - What is the Structure of an Atom? Atoms are composed of smaller particles called protons, neut…
Atom - small basic building block of matter. All materials on Earth are composed of different combinations of atoms…
Why am I always tired? Fatigue can be considered a sort of intoxication. When the muscles of our body work, lactic …
In some parts of the body there are cells that can shrivel or relax – these are the muscle cells. There are two types:…
If the body did not have joints, we would not be able to move. Than we could only lie completely motionless, unable …
The cell is the smallest fraction of every living being. The simplest forms of plants and animals are composed of onl…
What Is Protoplasm? The secret of protoplasm is the secret of life itself. We still do not know what makes the prot…
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