What atoms are living things made of? In this article by a PROFESSOR we will learn that, of all t...
The inner ear is responsible for transform sound waves, which the middle ear has transformed into...
The hormones They are the chemical messengers of the body. They are produced in certain organs (e...
On planet Earth there are the most diverse animals: from microscopic animals like the flea, to hu...
The arteries are blood vessels responsible for the blood circulation which is pumped by the ventr...
The parasites they are very diverse organisms ranging from microorganisms to insects and birds. I...
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Together, the cervical vertebrae are the ones that make up the cervical spine or cervical region,...
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The bone tissue formation it takes place through two ossification mechanisms. Although bones Form...
If we observe a sample of fresh or marine water collected from the natural environment under the ...
The organ for the human sense of touch is the skin. It is the largest sense organ because, unlike...