recent studies in bone research indicate that using ultrasound on a broken bone can decrease the healing time by 25%. which of these are the most basic levels of organization involved when a bone heals? select 2 best answers.

c

explanation:

the answer is z.

the human body has five levels of organization. level 1: cells. cells are the basic units of life and form the first level of organization. cells in the human body have specific functions. examples include nerve cells, blood cells, liver cells, and so on.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.  

answerbacterium;