What is the function of the heart?

As you can imagine, the heart is one of the most important organs to be able to be alive and, also, to enjoy a good quality of life. In fact, of all the organs of...

What is the function of red blood cells?

We often hear about red, white or platelet blood cells without having much idea of ​​the task and importance that each one of them has in the blood. Of course, all these elements are part...

What are the parts of the digestive system?

The digestive system is made up of many more parts than is commonly believed. For example, until now parts such as the brain, eyes and lungs were not taken into account when digestion, but the truth is that...

What is the role of hormones?

Hormones are specialized substances which are secreted into the blood by cells that are located in glands lacking ducts (called endocrine), or epithelial cells, and whose purpose is to influence the functions of other...

What are the layers of the skin?

The skin is the largest organ in the human body and fulfils essential functions for the body, as it acts as a natural protective barrier that keeps it isolated from everything that surrounds it and...


Parts of the plant

How do optical illusions work?

How do plants reproduce