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The muscular system

Explore the intricacies of the muscular system, which accounts for about 40% of total body weight. Discover the three main muscle types: cardiac muscle, which is only found in the heart and constantly contracts; smooth muscle, located in organs, facilitating movement of materials; and skeletal muscle, responsible for voluntary motion and stabilizing posture. With over 600 muscles working in pairs, this system not only enables movement but also plays a role in heat production and breathing. Dive into intriguing muscle facts, such as the number of muscles required to smile or frown.

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The muscular system

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  1. It moves you! The muscular system

  2. http://www.dnatube.com/video/2115/Anatomy-Muscle-Types Cardiac muscle – located only in the heart – constantly contracting and relaxing muscles

  3. Smooth muscle – located in organs (except the heart) – contracts to help move materials through your organs muscles

  4. Skeletal (striated) muscle – attach to bones by tendons and responsible for moving the bones to provide motion. They are the most common type of muscle in the body muscles

  5. Movement Stabilize the body/posture Heat production Breathing Function of skeletal muscle

  6. Some important muscles

  7. There are over 600 muscles in the body which is approximately 40% of the total body weight. Most muscles work in antagonistic pairs since muscles can only pull – not push. Therefore, one muscle contracts while the other relaxes and then vice versa. Every person has a unique tongue print. It takes 17 muscles to smile and 43 to frown. http://www.youtube.com/watch?v=RsWNyqnHQ2I Muscle facts

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