B cells produce antigen
t cell are helper,killer,memory cells
they hold memory of pathogens i the system
Osmolality tests is performed to determine the level of a certain nutrient present in the blood and urine.
What is osmolality test?
Osmolality tests measure the level of certain substances in blood, urine, or stool.
The level of glucose(sugar), urea( waste product made in the liver), sodium, potassium, and chloride are measured in osmolality test.
Osmolality test is also performed to check the balance between water and certain chemicals in blood.
Osmolality test also done to diagnose dehydration .
Therefore,osmolality test is done to determine the level of a certain nutrient in blood or urine sample.
Learn more about osmolality test here:
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Answer:
They grow more slowly, reproduce less, and populations decline.
Explanation:
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