Heart 101 National Geographic

Summary

The brain constitutes only about 2 percent of the human body, yet it is responsible for all of the body's functions. Learn about the ... How does the human body work? What roles do the digestive, reproductive, and other systems play? Learn about human ... While customs and traditions involving pregnancy vary worldwide, the developmental process is essentially universal. Find out ... The lungs replenish the body with life-giving oxygen. Learn about the anatomy of the lungs, how the organs make respiration ... El corazón humano late una media de hasta 3.000 millones de veces durante una vida. Descubre la anatomía del corazón y ... To license this video for patient education, content marketing or broadcast, visit: ... Aunque las costumbres y tradiciones vinculadas al embarazo son diferentes en todo el mundo, el proceso de desarrollo es ... Em média, um coração humano bate mais de 3 bilhões de vezes durante sua vida. Saiba mais sobre a anatomia deste órgão tão ... Electromagnetism is one of the four fundamental forces of nature. Learn about the relationship between electricity and magnetism, ... Conoce la anatomía del corazón y cómo este órgano proporciona el oxígeno necesario para todo el cuerpo. ➡Suscríbete: ...