Question

What is the endocrine system?

Answer 1

Endocrine system:

1. The endocrine system comprises endocrine glands and hormone-producing dispersed tissues/cells distributed throughout our bodies.
2. Invertebrates' endocrine systems are quite basic, having few hormones.
3. In the vertebrates, many substances operate as hormones and provide coordination.

The endocrine system in humans includes:

1. Pituitary gland
2. Pineal gland
3. Thyroid gland
4. Adrenal gland
5. Pancreas
6. Parathyroid
7. Thymus
8. Gonads (testis in males and ovary in females)
9. Other organs, such as the gastrointestinal system, liver, kidney, and heart, also create hormones.