Muscles are an amazing part of the body. Without them, you wouldn’t be able to walk, eat or pick your nose. When people think about muscles, it’s usually about the big ones in their arms and legs. But you couldn’t blink if you didn’t have muscles in your eyelids. You also couldn’t roll your eyes at your parents if it weren’t for the six muscles that control each of your eyeballs.Muscles act by contracting (getting smaller) and relaxing.
Note better, Photo used for illustration purposes only
Which muscle never gets tired in the human body?
This type of muscle only exists in your heart.Your heart is an incredibly powerful organ. Every day it beats about 100,000 times. Imagine the energy takes it to squeeze a tennis ball – that’s not far off the force your heart is using each time it beats to pump blood around your body. Unlike other types of muscle, cardiac muscle never gets tired. It works automatically and constantly without ever pausing to rest. Cardiac muscle contracts to squeeze blood out of your heart, and relaxes to fill your heart with blood.
Content created and supplied by: KokiNews (via Opera News )
Opera News is a free to use platform and the views and opinions expressed herein are solely those of the author and do not represent, reflect or express the views of Opera News. Any/all written content and images displayed are provided by the blogger/author, appear herein as submitted by the blogger/author and are unedited by Opera News. Opera News does not consent to nor does it condone the posting of any content that violates the rights (including the copyrights) of any third party, nor content that may malign, inter alia, any religion, ethnic group, organization, gender, company, or individual. Opera News furthermore does not condone the use of our platform for the purposes encouraging/endorsing hate speech, violation of human rights and/or utterances of a defamatory nature. If the content contained herein violates any of your rights, including those of copyright, and/or violates any the above mentioned factors, you are requested to immediately notify us using via the following email address operanews-external(at)opera.com and/or report the article using the available reporting functionality built into our Platform See More