Place the events of a fracture repair in order. A: A hematoma will form and will form a temporary connection between the ends of the bones. B: Fibroblasts and chondroblasts migrate from the periosteum and begin to produce fibrocartilage to connect the ends of the bones. C: Osteoclasts resorb dead portions of the new bony area, and compact bone replaces spongy bone. D:Osteoprogenitor cells differentiate into osteoblasts and produce spongy bone. E: Phagocytes and osteoclasts begin to remove dead and damaged tissue.

answer biotechnology;

ans.

in united states (us), the first leading cause of death for both women and men is heart diseases that leads to more than half of the deaths. heart diseases develop due to narrow arteries, buildup of plaque in blood capillaries that arises difficulties in blood flow.

the second leading cause of deaths in us is cancer that affects individuals of all ages. it develops due to uncontrolled growth and spread of tumor cells, which results in death if the not controlled or treated.

the third leading cause of deaths in us is copd or chronic obstructive pulmonary disease. it includes difficulty in breathing, chest infections, and persistent cough. smocking is a leading cause of copd and around 80% of copd deaths occur due to smoking.

thus, the correct answer is 'option). cancer, copd, and heart disease.'