Heart and Blood Vessels in Children

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The heart is the hardest working muscle in our bodies. A baby’s heart can work harder than an adult’s heart: Up to 190 times a minute versus 60 to 100 times a minute. This rate naturally slows down as your baby grows.

During an average person’s lifetime, the human heart will beat more than 3 million times, pumping about a million barrels of blood.

The cardiovascular system—the heart combined with the blood vessels—is responsible for circulating blood throughout the body. It’s vital to supplying the body with oxygen and nutrients.

The future of pediatrics will be forged by thinking differently, breaking paradigms and joining together in a shared vision of tackling the toughest challenges before us.”
- Sandra L. Fenwick, President and CEO

Boston Children's Hospital 300 Longwood Avenue, Boston, MA 02115 617-355-6000 | 800-355-7944

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