El cuerpo humano

The human body is a living machine that allows us to walk, swim, laugh, and think. It includes the brain, muscles, bones, stomach, lungs, skin, and more, a whole network of organs that function perfectly. Did you know that the heart beats between 60 and 100 times per minute, and that with each beat, the approximately five liters of blood in our body are circulated? In the final pages of this book, we present some interesting facts and a teaching guide that suggests family activities and offers resources for further information about the amazing human body.