Levels of different substances are generally
maintained in the blood mainly by:
A
Respiratory system
B
Digestive system
с
Endocrine system
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1
Answer:
endocrine system helps to maintain different substances in the blood
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Answer:
The main function of endocrine glands is to secrete hormones directly into the bloodstream. Hormones are chemical substances that affect the activity of another part of the body (target site). In essence, hormones serve as messengers, controlling and coordinating activities throughout the body.
Explanation:
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