What Does Human Bones Do

There are 206 bones in the human body, divided into skull, torso bone and limb bone 3 large parts. Among them, there are 29 skulls, 51 torso bones, 126 limbbones.

(1) Support ingested: Different bones of the human body are connected together through joints, muscles, ligaments and other tissues to support the body. If humans do not have bones, it can only be a pile of soft tissue on the ground, can not stand, not to walk.

(2) Protection: Human bones act like a frame, protecting the body's vital organs from "dry scratching" and damage as much as possible. For example, the skull protects brain tissue, the spine and ribs protect the heart, lungs, pelvic bones protect the bladder, uterus, etc. Without the protection of bones, external shocks and blows can easily damage internal organs.

(3) Motor function: bones and muscles, tendons, ligaments and other tissues to work together to complete the human motor function. Bones provide the necessary support for movement, muscles, tendons provide the power of movement, the role of the ligamentis is to maintain the stability of the bone, so that the movement can continue continuously. So, we say that bones are the basis of motion.

(4) Metabolic function: The bone is very closely related to the metabolism of the human body. Bones contain a large amount of calcium, phosphorus and other organic and inorganic, is the body inorganic salt metabolism participants and regulators. Bones are also involved in the regulation of human endocrine, affecting the secretion and metabolism of hormones in the body. Bones are also associated with electrolyte balance in the body.

(5) Hematopoietic function: The hematopoietic function of the bone is mainly manifested in the early childhood of the human, the bone marrow cavity contains a large number of hematopoietic cells, these cells participate in the formation of blood. In adulthood, red bone marrow with hematopoietic function is still present in some pine bones.