What is the approximate size of a human heart?

Approximately how many quarts of blood are pumped by your heart to your body every minute?

In the course of a single day, how many gallons of blood does your heart pump to your body?

The smaller an animal is, the faster its heart beats.  While a hummingbird has a heart rate of about 1,000 beats per minute, the heart of an elephant beats approximately 25 times per minute. The question is... How many times does a human heart beat per minute?

How many times does a newborn baby’s heart beat?

What is the approximate resting heart rate for a trained athlete?

What is the number one killer of men and women in the U.S.?

What are some risk factors of heart disease?

What are the symptoms of heart attack?

What should I do if a heart attack occurs?

Name at least two lifestyle changes one can make to prevent heart disease.

By the time a person reaches the age of 70, his heart has pumped approximately how many millions of gallons of blood?

By the time a person reaches the age of 70, his heart has pumped approximately 50 million gallons of blood and has beaten approximately how many billion times?

All the blood vessels in the body joined end to end would stretch 2 ½ times around the earth or approximately how many miles?