[Music] [Applause] [Music] Hello friends welcome to New happy learning video today we're going to learn about the human musculoskeletal system it's what lets us move around the musculoskeletal system is made up of two systems the muscular and skeletal systems the muscular system is the active part of the musculoskeletal system muscles are between our bones and skin and they are joined to our bones through tendons they are elastic organs that can be lengthened or shortened causing some body part movements us humans have approximately 630 muscles according to the movements that they make we can differentiate voluntary
and involuntary muscles voluntary muscles move only when we want them to and involuntary muscles move without us realizing like our heart or stomach that are always a movement the skeletal system is made up of all bones and cartilage the skeleton gives us our shape that differentiates us from other living things and allows us to walk run or jump our body has 206 bones and each one of them has their own name some of them are skull that protects our brain the spine that maintains a stable and upright jaw allows us to move our mouths to
chew food ribs that protect our hearts or lungs and the femur the longest bone in the human body and is found in our legs bones are joined with each other by joints they are divided into three groups depending on their level of Mobility immobile or fixed joints don't have any Mobility like the ones that join us skull semi mobile joints do have some Mobility but not a lot like vertebrae in our backs mobile joints have great Mobility like our elbow or knee now we've got to know a little more about our musculoskeletal system now we
need to do plenty of physical exercise to make it work brilliantly and maintain ourselves really healthy goodbye friends and don't forget to subscribe to happy learning TV [Music] foreign [Applause] [Music]
