Endocrine system is the system that release specific molecules called hormones and helps in control and co-ordination. The represented diagram is of endocrine system.
What is endocrine system?
Endocrine system is a network of glands and its associated organs. It includes hypothalamus, pituitary gland, pineal gland, thyroid gland etc.
The main function of endocrine system includes:
- Making hormone.
- Sending them to bloodstream.
- regulation of release of hormone.
Thus option a is correct.
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