https://padlet.com/tfoor/strongestmuscleSSR Share your thoughts with us after today's SSR read: https://newsela.com/articles/loc-mysteries-strongest-muscle/id/25249/ en-us 2017-01-18 14:02:38 UTC 2017-01-18 14:06:11 UTC hello@padlet.com tfoor https://padlet.com/tfoor/strongestmuscleSSR/wish/147808039 I think that the strongest muscle in the human body is the heart... it's got endurance on its side because it always keeps beating to keep us alive! ]]> 2017-01-18 14:06:07 UTC https://padlet.com/tfoor/strongestmuscleSSR/wish/147808039