4. Which is part of the repair process to heal a broken bone? A. A blood clot temporarily keeps blood from the bone.
B. Endorphins cause inflammation to hasten cell division.
C. Osteoblasts form rigid structures to immobilize the site.
D. Osteoclasts remove dead bone cells to clean the site.

d statement

explanation:

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.