The herb seems to have a calming effect on the central nervous system.
Answer:
Polar part : attracts water
nonpolar part :pushes water
Explanation:
phosphatides are surfactants
The specimens are sputum, throat .
What are sputum and throat ?
Sputum is to test for bacteria or another pathogen which can cause in your lungs or the respiratory tracts .
Throat is the process in which rubbing the sterile swab on tip on the surface of tonsils .
To preserve these specimen and minimize the bacterial growth they should need to transfer .
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