42.9k views
4 votes
Why does your heart never tire of constantly beating to pump blood throughout your body?

User Rachvela
by
7.5k points

1 Answer

6 votes
Because you are constantly moving around and helping with the blood flow.
User Dan Snell
by
8.4k points

Related questions

2 answers
3 votes
205k views
2 answers
0 votes
141k views
2 answers
1 vote
133k views