Wondering how many muscles the human body has?

The human body is considered an “intelligent machine” and has many questions that cannot be answered. Normally, when we become aware, we often have many questions and concerns surrounding our body. Among them, how many muscles does the human body have. However, the amount depends a lot on the type of muscle you want to know. To answer this question, follow this article with My Auris dentistry.  

, everyone should learn about the types of muscles in the body. In our body there are 3 different types of muscles:

• Skeletal
• Smooth Muscle
• Cardiac muscle

Skeletal muscles and functions

Skeletal muscle is muscle attached to bones through tendons. Thousands of muscle fibers are bundled together to form a complete skeletal muscle. Organized muscle fibers form a striped pattern. Therefore, skeletal muscle is also called striated muscle. 

Skeletal muscles are mainly involved in movement. Once a skeletal muscle contracts, it will force a specific part or location on the human body to move. 

Skeletal muscles operate under our command, so people can control their movements. And this is also the only type of muscle that we can control. 

Skeletal muscle functions:

• Allow body movement
• Provides and supports body structure
• Maintain posture and shape
• Generates heat, helping maintain body temperature
• Acts as a source of nutrients such as amino acids
• Provides energy when hungry

Skeletal muscles are found in all areas of the body, divided by body area:

• Head and neck muscles: these muscles are responsible for the movement of the face, head and neck. Some muscles in this area include: zygomaticus major, zygomaticus minor, masseter, eye muscle, tongue muscle, sternocleidomastoid muscle.
• Trunk muscles: these muscles are found in the abdomen and trunk area of ​​the body. Includes a number of main muscles such as: spinal muscles, intercostal muscles, diaphragm, pelvic floor muscles
• Upper limb muscles: include muscles that move the body’s shoulders, arms, wrists and hands. Some typical muscles: deltoid, biceps, triceps
• Lower limb muscles: these muscles have the effect of moving the feet and legs of the body. Some main muscles: quadriceps, tibialis anterior, calf muscles.

Skeletal muscles account for about 40-50% of the body’s weight. However, the human body’s skeletal muscle mass begins to decrease as we age, a process that begins after age 40. 

Smooth muscle and function

Smooth muscle is found in many organ systems in the body: digestive system, respiratory system, cardiovascular system, kidney – urinary system, reproductive system production.

Smooth muscle cells are unlike skeletal muscle because they do not have striations. We cannot control smooth muscle activity. Each cell contains chains of smooth muscle fibers that can connect to other neighboring cells, thereby forming a network that allows the cells to contract evenly. 

Functions of smooth muscle:

• Digestive system: smooth muscle here contracts to help push food through the digestive tract.
• Respiratory system: smooth muscles here can make the airways narrow or widen, thereby affecting the amount of air entering and leaving the body.
• Venous system: smooth muscles in the vessel walls help blood flow and regulate blood pressure. 
• Renal-urinary system: smooth muscles in this organ help regulate the flow of urine from the bladder. 
• Reproductive system: in the female body, uterine smooth muscle contracts to help push the fetus out during birth. As for men, smooth muscle in the reproductive system has the function of pushing sperm. 

Heart muscle and function

The heart muscle contracts in response to an electrical signal, initiated by a special type of cell, the pacemaker cell. 

Electrical signals are transmitted from the upper part to the lower part of the heart. Heart cells are closely connected to each other and can contract in a wave-like pattern that coordinates to form a heartbeat. When the heart contracts, blood will go to feed the body.

How many muscles does the human body have is a question that many people wonder about, from children to adults. So let’s follow along to know how many muscles the human body has. 

As shared above, The human body has 3 muscle groups: skeletal muscle, smooth muscle and cardiac muscle. Each muscle group has a different number of muscles. style=”font-weight: 400;” aria-level=”1″>For smooth muscles, this type of muscle works thanks to billions of cells being connected together.

How many heart muscles does the human body have? There is only one heart muscle

Thus, the shares in the article help people know the muscles and functions as well as answer how many muscles the human body has accept different functions and tasks, therefore, in order for the body to function healthily, everyone needs to maintain and exercise their muscles to become flexible. 

Anh Thy