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  1. Human skeleton

Human bones are the internal structure of the human body. It contains around 270 bones at the time of delivery - this number is reduced to around 206 bones as they grow older after more bones are combined. The bone mass in the bones reaches a maximum size around the age of 21 years. Human bones can be divided into axial bones and skeletal structure. Axial bones are formed using the vertebral column, rib cage, skull and other related bones. The appendicular bones, connected to the axial bones, are composed of the shoulder girdle, pelvic girdle and lower and lower limb bones. The human skeleton performs six key functions; support, mobility, protection, blood cell production, mineral storage and endocrine long bones, and pelvis are present. In general, females with orthopedic tend to be thinner and stronger than the male features that fit within a given population. The human pelvis of girls in addition is specialized from the male for the benefit of many children unlike most deer, males do not have penile bones.


2.Joint:

A joint or joint (or artistic face) is a connection made between the bones in the body that connects the complete skeletal system. They are designed to allow for varying degrees and types of movement. Some joints, such as the knee, elbow, and shoulder, are flexible, almost non-abrasive, and are able to withstand pressure and retain heavy loads while making smooth and precise movements.  Some joints such as the muscles between the skull bones allow very little movement (only during childbirth) to protect the brain and nerve organs.  The connection between the tooth and the jaw is also called the joint, and is defined as an integrated organ known as gomphosis. Members are divided systemically and functionally. 

2:ligaments:



The ligament is a connective tissue that connects bones to other bones. It is also known as the articular ligament, articular larua,  the fibrous ligament, or the true ligament. Other lines on the body include:

Peritoneal ligament: the folding of the peritoneum or other membrane.
Fetal ligament ligament: remnants of fetal tubal structure.
Periodontal ligament: a group of cords that attach to the cementum of teeth in the surrounding alveolar bone.
The lines are like muscles as they are all made up of connective tissue. The difference between them is in the connections they make: the lines connect one bone to another bone, the muscles connecting the muscles with the bone, and the fasciae connects the muscles to the other muscles. All of this is found in the skeletal system of the human body. Lines usually cannot be regenerated naturally; However, there are periodontal ligament stem cells found near the ligonal periodontal that are involved in periodontist rehabilitation

2:Muscular system:


Muscle system is an organ system that consists of skeletal muscles, smooth and heart. It allows body movement, maintains posture and circulates blood throughout the body.  The muscle systems in the vertebrates are controlled by the nervous system even though certain muscles (such as the heart muscle) are not completely independent. Along with the skeletal structure, it forms a muscular system, which controls the movement of the human body

3.Tendon:


A tendon or sinew is a tough band of fibrous connective tissue that connects muscle to bone and is capable of withstanding tension.
Tendons are similar to ligaments; both are made of collagen. Ligaments connect one bone to another, while tendons connect muscle to bone.
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