{"id":605,"date":"2023-03-20T14:04:00","date_gmt":"2023-03-20T14:04:00","guid":{"rendered":"http:\/\/bestology.bestrobotics.org\/?p=605"},"modified":"2024-01-04T14:25:21","modified_gmt":"2024-01-04T14:25:21","slug":"week-7-muscular-system","status":"publish","type":"post","link":"https:\/\/bestology.bestrobotics.org\/index.php\/2023\/03\/20\/week-7-muscular-system\/","title":{"rendered":"bestology 2023 Week 7 – Muscular System"},"content":{"rendered":"

Muscular System<\/strong><\/p>\n

Week 7<\/em><\/strong><\/p>\n

Throughout our day, we use our muscles to live a fulfilled life.\u00a0 <\/span>Whether it\u2019s to get up out of bed, run to catch a bus, exercise at the gym, jumping with friends, taking a walk around the block, a simple smile, or even eating. All these movements are possible due to your muscles and the tendons that attach to them.\u00a0 <\/span>On top of that, we have muscles that work without you realizing it.\u00a0 <\/span>Do you have any idea where these muscles are located?\u00a0 <\/span>Drum roll, please!\u00a0 <\/span>These types of muscles are found in your heart, stomach, intestines, and many other places throughout your body.\u00a0 <\/span>Our muscles are amazing and allow us to have movement in our body.\u00a0 <\/span>Before we get started, let\u2019s see how much you know about your muscles by taking a quiz on \u201cMuscles<\/a>\u201d.<\/p>\n

Your muscles are found in between your bones and skin joined together by tendons. Muscles are elastic which means they can be lengthened or shortened allowing movement in our body. Within your body, you have approximately 630 muscles.\u00a0 <\/span>Our muscles are divided into \u201cvoluntary\u201d and \u201cinvoluntary\u201d. Voluntary muscles which are also known as \u201cred muscles\u201d or \u201cstriated muscles\u201d only move by your own will, in other words, it\u2019s regulated by voluntary brain activity. Voluntary consists of biceps, triceps, quads, hamstrings, respiratory, alimentary and urogenital tracts, and much more.\u00a0 <\/span>Involuntary muscles also are known as \u201cwhite muscles\u201d or \u201csmooth muscles\u201d move without us thinking about it and are not under one\u2019s control. They are controlled by the autonomic nervous system and are independent of voluntary nerve activity.\u00a0 <\/span>Places we find involuntary muscles would be your abdominal muscles, heart, diaphragm, middle ear muscles, locomotory muscles, muscles found in your stomach, and intestines. \u00a0<\/span><\/p>\n

Your muscular system consists of three main muscle types as follows: Skeletal muscle, cardiac muscle, and smooth muscle.\u00a0 <\/span>All three types are made up of muscle cells which are also known as fibers.\u00a0 <\/span>Your nervous system sends signals to the fibers which contract allowing you to experience movement. Check out this video from TED-ed on \u201cHow your muscular system works \u2013 Emma Bryce<\/a>\u201d. Your skeletal muscles which are known as voluntary muscles are the most common muscle in the body.\u00a0 <\/span>These types of muscles are attached to bones by tendons and include the abdominal, pectoral, deltoid, trapezius, latissimus dorsi, erector spinae, biceps, triceps, quadriceps, hamstrings, gastrocnemius, soleus, and gluteus. The cardiac muscle group is found only in the heart and it is an involuntary muscle. Your heart works without ever pausing to rest and thankfully it never gets tired.\u00a0 <\/span>The cardiac muscle contracts to squeeze blood out of your heart while relaxing to fill your heart with blood. Lastly, the smooth muscle is another involuntary muscle. This type of muscle is found in your intestines and stomach and it works without you even being aware of it. The muscular walls help to expel food through your intestines, help during pregnancy to push babies out of the body, push out urine, regulates airflow in your lungs, determines the flow of blood in the arteries and it is responsible for the shrinking of the pupil.<\/p>\n

Here are some fun facts about the muscular system \u2013 Fun Facts About the Muscular System You Didn\u2019t Know<\/a>:<\/p>\n