Snails are really curious animals, if we look at their appearance, this could not be more surpris...
The prokaryotes are the set of organisms that include the bacteria or eubacteria and arches oarch...
The plant eukaryotic cells They are cells that are surrounded by a cell wall made up mainly of ce...
We all know how to identify a bird when we see it in our daily lives in the form of pigeons, spar...
The hyoid bone it's a little bone that we have in the throat. It is a bone with very special char...
The arteries are blood vessels responsible for the blood circulation which is pumped by the ventr...
The skeleton is an internal structure characteristic of vertebrate animals, in addition to shapin...
In this lesson from a TEACHER we will see what is the role of mineralocorticoids. But first we wi...
Nerve impulse It is the electrochemical signal by which neurons communicate. Thanks to this nerve...
Veins and arteries are blood vessels. But what are the differences between them? In this lesson f...
Together, the cervical vertebrae are the ones that make up the cervical spine or cervical region,...
The hermaphrodite plantss par excellence are the angiosperms with bisexual flowers. However, ther...