Books with title The Circulatory System: Why Does My Heart Beat?

What does your heart do? What makes the sound of your heartbeat? Why does your body need blood? Your body is amazing! There are parts you can see and parts under your skin that you can't see. These parts work together to keep you alive and help you to do incredible things. You can feel your heart beating in your chest. Have you ever wondered why it does? Read this book in the 'Body Systems' series to find out!

What does your heart do? What makes the sound of your heartbeat? Why does your body need blood? Your body is amazing! There are parts you can see and parts under your skin that you can't see. These parts work together to keep you alive and help you to do incredible things. You can feel your heart beating in your chest. Have you ever wondered why it does? Read this book in the 'Body Systems' series to find out!

The heart is a most incredible pump. About the size of a fist and weighing only about as much as one of your sneakers, in an average lifetime a heart will beat over two thousand million times without stopping for rest or repair. The heart pushes a stream of blood through sixty thousand miles of arteries, capillaries, and veins, a journey that carries nutrients and oxygen to every cell in your body.In stunning photographs that will amaze you with their beauty and color, you will also learn about bacteria-eating white blood cells, blood-clotting platelets, and the spongy marrow tissue, where every second three million red blood cells are made.In The Heart, award-winning author Seymour Simon begins an exciting series that explores one of the most amazing mysteries in the universe-the human body. join him on a journey as strange and wonderful as any voyage to the stars.