What is the hardest working muscle in the human body?
The hardest working muscle is the heart. It pumps out 2 ounces (71 grams) of blood at every heartbeat. Daily the heart pumps at least 2,500 gallons (9,450 liters) of blood. The heart has the ability to beat over 3 billion times in a person’s life.
More Info:
www.loc.gov
What are your thoughts on this subject?
98 Comments
Bill Coe
Heart is the hardest working. Tongue has the possibility of being the most hurtful.
79
Dec 22, 2016 6:51PM

Doug Kern
For me, my heart will have beaten 2 billion 999 million times, my wife made my heart skip a beat when I met her.
59
Mar 24, 2019 7:36AM
Bill Coe
Anthony Griffin Oh, Anthony, you missed it. l didn't mean the tongue could hurt the most. I meant the tongue could CAUSE the most hurt.
25
Dec 23, 2016 1:56AM

Pauline Grant
My tongue surely gets me into a lot of trouble🤭
6
Jun 7, 2019 5:55PM

csmith
gguttada, it's a muscle as well...
6
Aug 8, 2018 9:16PM

claudia galvez
The heart may be the strongest working muscle for men, who never gave birth! For my money, it's the UTERUS!
5
Jul 5, 2020 2:07PM

Margot kirton
Ha ha i just love the report back comments you guys give back just so funny or very sarcastic I have a giggle every time to myself very fiseaciius
2
Oct 18, 2020 3:23PM

Quiz Taker
Some people have "hard hearts" and "loose tongues"
3
Aug 14, 2020 12:54PM

fakeywright
Doug Kern, awww how sweet are you
0
Aug 3, 2020 8:19AM

fakeywright
Bill Coe, couldn't agree more
0
Aug 3, 2020 8:18AM

Dar Numan
It doesn't even stop working when we sleep.
0
Apr 5, 2020 6:24PM

Spc Kook Dude
Maldonado, my nemesis. Not a very good question.You failed to use Wikipedia.
2
Jan 26, 2020 5:45PM

Andy the educated troglodyte
I just checked, mine is still beating...like Charlie Watts drum in 'Angie'
2
Jan 13, 2020 5:54AM

glorylouro
🎉🎉
0
Nov 27, 2019 5:04PM

marcaultjeanne
I considered the tongue but, after all, the heart is ALWAYS pumpin'.
0
Nov 6, 2019 4:51PM
Denise Wilson
We know what you meant!!!😢Bill Coe,
0
Oct 25, 2019 11:25PM
Barry Gomersall
Bill Coe, I knew what you meant and its so true
1
Jul 30, 2019 5:24AM
Diane Lynn Kinsman
Knew that
0
Jun 28, 2019 12:01AM

Scott Morris
Doug Kern, Someone's getting laid tonight
0
Jun 6, 2019 7:42PM
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