
Science and Health
Ian Guedes, Apr 1st, 2025

5 surprising facts about the human body
The human body is full of fascinating mysteries that often go unnoticed. In this article, we present five surprising curiosities that you probably never imagined about its anatomy and functioning.
1. The Human Body Has More Than 600 Muscles
Although most people know that the body has muscles, the total number of muscles in the human body is a surprise. There are more than 600 muscles that allow us to perform everything from the simplest movements to the most complex activities, such as running or even smiling.
2. The Skin Is the Largest Organ in the Body
The skin is not just the layer that covers the body, but the largest organ of all. With an average area of 2 square meters, it performs crucial functions such as protection against external agents and regulation of body temperature.
3. Bones Regenerate Constantly
Human bones are not static structures. In fact, they are in a constant process of regeneration. Every 10 years, about 10% of the bones in our body are replaced by new ones, ensuring bone renewal and health.
4. The Heart Beats More Than 100,000 Times a Day
The human heart is an impressive and often underestimated organ. It beats about 100,000 times a day, pumping approximately 7,570 liters of blood throughout the body. This incredible capacity is essential for distributing oxygen and nutrients to all cells.
5. The Brain Consumes 20% of the Body’s Energy
Although it represents only 2% of the body's total weight, the brain consumes about 20% of the body's energy. This high consumption is necessary to maintain cognitive functions such as thinking, learning, and controlling essential bodily functions.
Profissional especializado em soluções digitais, com formação em Psicologia e Análise e Desenvolvimento de Sistemas, além de especialização em Arquitetura de Sistemas e MBA em Gestão Empresarial pela FGV. Sempre em busca de aprendizado contínuo.