![How can the heart be strong enough to pump blood up your legs against gravity? | Science Questions with Surprising Answers How can the heart be strong enough to pump blood up your legs against gravity? | Science Questions with Surprising Answers](https://wtamu.edu/~cbaird/sq/images/leg_veins.png)
How can the heart be strong enough to pump blood up your legs against gravity? | Science Questions with Surprising Answers
Agimed_india - The human heart pumps about 10000 liters blood everyday throughout our body. In fact, it takes nearly fifteen minutes for blood to flow to our toes and back in a
![HospitalsApollo on Twitter: "The purpose of the heart is to pump blood and to carry the blood to the different parts of the body. So, can you tell us how many liters HospitalsApollo on Twitter: "The purpose of the heart is to pump blood and to carry the blood to the different parts of the body. So, can you tell us how many liters](https://pbs.twimg.com/media/EanSJhVVAAAEhQ8.jpg)