Endocrine Glands and Hormones
Endocrine glands
- Secrete hormones(regulatory chemicals)into the blood stream
- Hormones are carried by blood to a target organ or cells where they regulate a specific activity
There are 2 classes of hormones
- Protein and peptides (chains of amino acids)
- Steroids and lipids
- Estradiol, Progesterone, Testosterone, Prostaglandins