1. Endocrine System

2. Endocrine System Overview
Glands: Major organs of the endocrine system
Glands makes hormones
Hormones: chemical signals
Hormones move through bloodstream
Hormone attaches to cell receptor
Target cells produce proteins

3. Steroid Hormones 1) Diffuses into target cell
2) Attaches to receptor inside the cell
3) Hormone enters the nucleus
4) Proper protein created

4. Nonsteroid Hormones

5. Major Glands All the below create hormones Hypothalamus
Stimulates the pituitary gland to release hormones
Controls growth, reproduction, body temp
Pituitary gland
Controls cell growth
Stimulates other glands
Thyroid gland
Regulates metabolism, growth, development
Thymus
Allows WBCs to mature to fight infection

6. Major Glands Adrenal Glands Controls “fight or flight” response
Increases breathing, alertness, blood pressure
Epinephrine
Pancreas
Controls glucose level in blood
Insulin, glucagon
Gonads: influence sexual development
Testes (males): testosterone
Ovaries: Estrogen, progesterone

7. cold
hormone A
hormone B
hormone C

9. Effects of testosterone

10. hypothalamus
Pituitary gland
Thyroid
thymus
Adrenal glands
pancreas
ovaries
testes