Question

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Answer 1

ENDOCRINE system is called master of glands.. because that usually dose not need any type of tubes to reach their target sites they directly reach into flowing blood and reach tagetsites

Explanation:

for example..... if a person is... having hing sugar level in blood.inoder to decrease the sugar level pancreas release the insulin hormone to reduce it.. so thus I can conclude that.... hormones relsed by glands are invlontery.. directly relsed.. in our body