The muscular system
Do you have an assignment on this topic? Let me help you with this; the muscular system moves the body, posture it, and circulates the blood. Suppose you want to drink water from this bottle; your brain instructs your hand's muscles to move.
That means some muscles are controlled by your thoughts and allow you to do various things. Do you ask your heart to beat? No, it just keeps beating, which means some muscles work without you thinking, like your heart beating all of your muscles together make up the body's muscular system; There are over 650 muscles in the human body. The muscular system is built up of three types of skeletal smooth and cardiac muscles. let's learn about these by one.
Skeletal muscle skeletal muscles lie under your skin. It's made up of long threads or fibers. These muscles control the movement, posture, and balance of your body. These cord cord-like tough connective tissues are tendons; they connect skeletal muscle to the skeleton. Skeletal muscles are voluntary, which means you control them directly with signals from your brain.
Smooth muscles are also known as particular muscles as they control organs within your body chemicals in the nervous system control the action of these muscles. Smooth muscles help move food through the digestive system, and it lines up the intestine, and the stomach smooth muscle moves the diaphragm, which helps you with breathing and makes blood vessels relax and tighten.
Cardiac muscle this muscle is located in the heart. The fibers of this muscle form a net-like structure and build up the heart's chambers look here; as the cardiac muscle contracts and relaxes, blood moves in and out of the heart chambers. This muscle is the involuntary muscle which means that it moves automatically.
You should keep the muscular system healthy this will help you walk, jump, run, lift things play sports, and do all the other things you love to do. You're exercising here in the park exercising getting enough rest, and eating a balanced diet will help to keep your muscles healthy.
Let me tell you a few exciting things about the muscular system. It takes 43 muscles to smile and 17 muscles to frown; you burn more calories by smiling rather than frowning. An excellent reason to smile more is that the most vital muscle masseter is in your jaw and is used for chewing.
The minor muscle is in your middle ear and is known as the stapedius; the most significant muscle in the body is the gluteus maximus which moves the thigh bone away from the body and strengthens the hip joint.
