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Protective sheath, hematopoietic, but mainly internal solid water. Our locomotor system is a passively movable component that carries our muscles. Yes, it comes from bone marrow and bones. How to be both rigid and flexible at the same time?
Necessary parts for movingIn order for a small fetus to change its position humanly - but at least in its position in the womb - and in general to move, it must have all the components of the human musculoskeletal system: bones, cartilage, ligaments, and muscles. Passively moving parts of our locomotor system are the bones of the skeleton and their joints. We are born with 275 bones, with 206 dying. You'll also find out where these bones sometimes hide.
All these bones are all needed to moveIn any case, the pieces of this bone set, which make up 12-20 percent of our body mass, must be connected somehow. In a way that is both solid, stable and agile.
Bone or cartilage
The case of our mind
The real thing is here!
The business section is surrounded by a two-way case. The business case is a continuation of the bone marrow, and is close to the business section. The inner layer, rich in nerves and hair follicles, produces the normal fluid or нznedvet (synovia). This ensures a smooth movement of the superficial business surface and feeds on the cartilage of the business cartilage.To keep their nutrients in synovial fluid. The results of an American experiment showed that 20 days of rest on the cartilage cost more than thirty years of intensive use. The outer layer of the pouch is made from collagen fibers. More sophisticated stores also have the following components in place: fibrous, cartilage business disc (discus) or gyыrыbetйt (meniscus) can press into the joint to slip the bone into the joint. For example, the first is the humerus, and the last is the case.More articles in this topic:
- To the last cartilage - The development of our bones and bone marrow
- For the urine - Development of the urethra - Phosphorus in our bones
- From tooth to bone