1. The Endocrine System

2. Functions of Endocrine Glands
The Endocrine System
The endocrine glands include the hypothalamus, pituitary, thyroid, parathyroid, adrenal, thymus, and pancreas.

3. Functions of Endocrine Glands
The Endocrine System
Functions of Endocrine Glands
The ovaries in females and testes in males are also endocrine glands.

4. Functions of Endocrine Glands
The Endocrine System
The pituitary gland communicates with the hypothalamus to control many body activities.

5. The Endocrine System
Negative Feedback
Through negative feedback, when the amount of a particular hormone in the blood reaches a certain level, the endocrine system sends signals that stop the release of that hormone.

6. Relating Cause and Effect
The Endocrine System
Relating Cause and Effect
As you read, identify the effects of pituitary hormones. Write them in a graphic organizer like the one below.
Effects
Activate other glands
Cause
Regulate growth
Pituitary hormones
Regulate water balance
Regulate blood pressure