They need to be in order 1,2,3,4 so on The broken bone begins to take the shape it had prior to the fracture.

A mass of tissue containing cells that produce collagen fibers forms. These collagen fibers extend across the broken bone and attach the pieces back together.

A hematoma forms at the fractured area.

Osteoblasts and osteoclasts arrive at the fracture and begin to produce bone tissue there.

The correct order is:

1. A hematoma forms at the fractured area.2. A mass of tissue containing cells that produce collagen fibers forms. These collagen fibers extend across the broken bone and attach the pieces back together.3. Osteoblasts and osteoclasts arrive at the fracture and begin to produce bone tissue there.4. The broken bone begins to take the shape it had prior to the fracture.

Explanation:

After the fracture of a bone several events occur that involve the regeneration and remodeling of the broken bone:

Hematoma in the fracture area is produced by the bleeding of the bone marrow, especially when it occurs in long bones. The collagen fibers are intended to initiate the repair process, trying to join the bone fragments that have separated. The purpose of this is to build a soft tissue base on which the new bone will grow. Osteoblasts and osteoclasts are responsible for the process of ossification and remodeling, respectively. Only a bone scar will remain at the fracture site. With the process of ossification and remodeling, the bone acquires the same shape it had before the injury.

This whole process is necessary for the morphological and functional recovery of a bone when it has suffered a fracture.

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