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Explain how negative feedback is used in BOTH:
blood glucose regulation
osmoregulation
write later
Explain why a person usually does not get sick the second time they are infected by the same pathogen.
You MUST use:
lymphocytes
antibodies
memory cells
When a person first gets sick, the body has to develop antibodies to fight against the pathogen. The second infection by the same pathogen, there are still antibodies in the bloodstream. AS there are memory cells, the response is much faster and able to produce antibodies quicker.
Why is there no glucose in urine?
Because all glucose is reabsorbed in the renal tubule
What happens if reabsorption fails?
Useful substances like glucose would be lost in urine