We explain what life is and what is the smallest unit in a living being. In addition, its levels of the organization and general characteristics. What is life? From biology , a living being has been classically defined as one that is capable of being born, developing, reproducing and dying ; so that life would be understood as the set of those…
We explain what viruses are, their morphology, and the infection process. In addition, its characteristics, classification, and mode of transmission. What are viruses? Viruses are a kind of microscopic and acellular parasitic agents (which are not made of cells ), capable of reproducing only inside a host cell, generally using their genetic replication mechanisms and causing damage in the process….
We explain what the endocrine system is and what its functions are in men and women. In addition, its characteristics and diseases. What is the endocrine system? The endocrine system is a set of organs, called glands, that are responsible for secreting hormones. Hormones are substances that regulate the activity of various organs and tissues. Unlike other body systems ,…
We explain what the Precambrian was, the stages into which it is divided and how the Earth was formed. In addition, its characteristics, flora and fauna. What was the Precambrian? On the geological time scale, the first and longest stage of Earth’s history is known as the Precambrian , covering about 88% of it. It has its beginning in…
We explain what the Late Middle Ages is, what its society and innovations are like. Also, what are its features, trade and more. What was the late Middle Ages? The Middle Ages is a period of European history that extends from the 5th century to the 15th century, it is divided into: In general, the Middle Ages were characterized by a fragmentation…
We explain what the heart is and what the various functions of this organ are. In addition, its characteristics and how is its structure. What is the Heart? The heart is one of the main organs of the body whose operation guarantees the life of the person. It is considered the main organ of the circulatory system . Its main function is…
We explain everything about matter, how it is classified and its composition. Also, what are its characteristics and levels of organization. What is matter? By matter various concepts are understood, essentially one physical and one philosophical. According to the physicist, matter is everything that occupies a place in the universe , has a certain amount of energy and is subject…
We explain what polygons are and how these geometric figures are classified. Also, what are its characteristics and examples. What are polygons? A polygon is any flat geometric figure that is composed of three or more straight lines that make up a closed figure . These consecutive lines are called sides and a polygon is also characterized by having…
We explain what a great leader is and the qualities they present. Also, what are its general characteristics and objectives. What is a great leader? A leader is commonly called an individual who demonstrates the ability to inspire, direct, encourage, and lead a given group toward its goals , whether it be a corporation, a sports team,…
We explain what sustainable development is, how it intends to take care of natural resources and what its main characteristics are. What is sustainable development? The concept of sustainable development (or sustainable development) refers to the idea of improving production models in order to meet current needs, but without compromising the welfare of future generations due to inadequate…