Enzymes in saliva kill some bacteria and protect the mouth from infection. When food reaches the stomach, much of it is sterilized by the hydrochloric acid in digestive juices. Further into the digestive tract, the friendly bacteria living in the intestines provide protection from invading bacteria
<span>The best response is that it reduces the effects of fragility and skin atrophy.</span>
A plant cell has a cell wall AND a cell membrane. An animal cell only has a cell membrane.
An animal cell has centrioles. A plant cell does not.
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A slide, merry go round, swing, or seesaw could be used to model and explain the movement of matter in the biosphere.
The first step in risk assessment for a protocol involving biohazards, the creation of a formal written risk assessment, should be performed by the Principal Investigator.
The Principal Investigator initiates the risk assessment process by completing a written risk assessment that considers all aspects associated with the pathogen or biohazard, the proposed procedures and the risks involved with them, and evaluation of the personnel who will be performing the work (their experience, comfort, health or susceptibility, their safety record and other factors).
<h3>What is a risk assessment protocol?</h3>
This instrument allows care for professionals who are exposed to biological material with risk, such as seroconversion (HIV, HBV and HCV), establishing conduct of initial care, guidance and follow-up of injured workers, use of chemoprophylaxis and case notification.
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