1. The Endocrine System

2. What is the Endocrine System?
Definition: a system of the body which consists of glands that release substances (hormones) into the bloodstream
Hormones:
affect behavior and emotions
stimulate growth & reactions
circulate throughout the whole body
are produced in glands

3. What are the Types of Glands?1 2 3 4
(Gonads) 5

4. The Types of Glands
Pituitary Gland: called the “master gland” because it motivates other glands into action

5. The Types of Glands
Adrenal Gland: regulates the body during states of alarm
Produce adrenaline (intensify emotions)
Produce noradrenaline (raise blood pressure)
Help arouse body & enable body to cope w/stressful situation

6. The Types of Glands
Thyroid Gland: regulates the metabolic (converting food to energy)
rate of the body by produce thyroxin
Too little Thyroxin produces stunted growth & overweight
Too much Thyroxin produces excitability, can’t sleep, weight loss

7. The Types of Glands Pancreas: regulates sugar metabolism
Produces the hormones insulin, glucagon, & somatostatin

8. The Types of Glands
Gonads: regulates sexual characteristics and reproduction
Produce Testosterone (male sex hormone)
Produce Estrogen (female sex hormones)
Produce Progesterone (female sex hormones)