The Human Body

The human body is the set of physical structure and organs that make up the human being. The term human body originates from the Latin corpuswhich means “body” and humanus, humanum which refers to “human”.

The physic structure It is composed of three main parts that are head, trunk and upper and lower extremities and, the structure referring to organs It is composed of different systems: circulatory, respiratory, digestive, endocrine, reproductive, excretory, nervous, locomotor.


The human body is also made up of chemical elements such as oxygen and hydrogen, vital for its functioning.

Through different branches of health sciences such as anatomy, biology, physiology and anthropometry, it has become known what the human body is, how it is made up and how it works.

It is important, as individuals, to know how our body is made up and how it works, in order to understand why our body constantly changes as we age and why we should take care of it through a balanced diet and physical activity.

All human bodies are different, even though their structure is the same, that is why human beings are individual beings, men and women have unique and unrepeatable bodies with different natural functions.

See also:

  • Human body parts
  • Body
  • Anatomy

Levels of organization of the human body

c levels

In the human body there are various levels of organization, as in other living beings. These levels begin with the minimum structure of formation that are the cells.

Cells, by multiplying, generate tissues. These, in turn, generate each of the organs of the body, among which we must also count the bones, muscles and skin.

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The organs are grouped according to their functions and constitute systems. The interrelation of these systems with each other is what gives definitive form to the organismi.e. the human body.

Body organs

The organs of the human body are designed to fulfill different independent or interrelated functions, which are vital for people to live, hence the importance of caring for the body in order to have a healthy body and a healthy life.

body systems

Circulatory system: It is responsible for interconnecting all systems and moving blood, nutrients, oxygen, and hormones throughout the body. It is made up of the heart, veins, arteries and blood vessels.

Respiratory system: allows you to inhale oxygen and expel carbon dioxide through breathing. In this process, oxygen is transported through the blood and distributed to the cells of the body.

body systems

Digestive system: It is where the process of digestion of food is carried out in which the necessary nutrients for the organism are broken down and absorbed.

Endocrine system: It is made up of eight main glands that secrete hormones into the blood and regulate metabolism, sexual functions, and growth.

body systems

Reproductive system: allows human reproduction and is different in men and women. The male reproductive system is made up of the testicles and the penis. In women it is made up of the ovaries, the uterus and the vagina.

Excretory system: It is the system in charge of the body expelling waste once the digestion process in which nutrients are extracted from food has been completed.

Nervous system: It is made up of the central system, made up of the brain and spinal cord, and the peripheral system, made up of the nerves that link parts of the body with the central nervous system.

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Locomotor system: refers to the bones and muscles, which together form the framework of the human body, covered by the skin, the largest external organ of the human body, and allows the movement and movement of people.

See also nervous system