Plants are one of the most important living beings on Earth, they provide air for humans to breat...
The animal world is very important and, in fact, people are part of it and it is necessary that w...
When it comes to breathing, animals can develop different strategies. The simpler animals breathe...
Image: Psychology and MindOur brain is one of the biggest differences we have with the rest of th...
Veins and arteries are blood vessels. But what are the differences between them? In this lesson f...
The hermaphrodite plantss par excellence are the angiosperms with bisexual flowers. However, ther...
The hands are a very important part of our body that allows us to relate to others and to the env...
The reptiles They are a group of vertebrate animals very old, which have been evolving and adapti...
Image: Slideplayer The breathing It is a more or less involuntary act that we all carry out conti...
Image: Your health managerThe tendons, together with the muscles, form the muscular system. This,...
Image: PaperblogOne of the two big ways of reproduction of animals is oviparity. That the vast ma...
All the classical mythologies of our planet have a history related to the origin of the world. Ge...