4. endocrine system is instrumental in regulating mood, growth and development, tissue function, metabolism, and sexual function and reproductive processes.
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8. Selects and removes materials from the blood, processes them, and secretes the finished chemical product for use somewhere in the body.
13. The pituitary gland secrete hormones on the basis of the emotional and seasonal changes
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15. They release the parathyroid hormone that helps in regulating the level of calcium in blood along with another hormone produced by thyroid called as calcitinin.3. Parathyroid gland
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17.  It also plays a role in bone growth and development of thebrain and nervous system in children.4. Thyroid gland
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23. The sense of thirst and hunger is triggered in our body by the hypothalamus gland.
24. The pineal gland induces sleep in our body. It produces a hormone named melatonin which controls the sleep cycle of our body.