Bal stands for Bronchoalveolar lavage. Bal is a process in which a bronchoscope is passed through the mouth and then into the lungs. Fluid is squirted into a part of he lung and collected for examination. Lung diseases can be found from the process of bal.
Comparisons of the aging theory scientist made by the scientist
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In the early age the scientist assumed that aging is the process in which the wear and tear of cells occurs and this results in the process of aging. When our body functions for longer period the cells tends to wear out due to the continuous usage for a longer period.
The rate of living theory assumes that how faster an organism consumes oxygen the quicker the cells wore out and result in aging process. There are also several other theories which discuss in brief about the aging process.
Answer:
To keep healthcare workers safe from accidental injury from contaminated sharps.
Explanation:
