Endocrine System
What is the Endocrine system? It is a collection of glands that secrete chemical messages called hormones. Gland: A gland is a group of cells that produces and secretes, or gives off, chemicals. Hormone: are chemicals that regulate or controls the activity of certain cells or organs The nervous system sends electrical messages to control and coordinate the body. The endocrine system has a similar job, but uses chemicals to “communicate” Endocrine system works more slowly than the Nervous system Hormones are released from glands/cells into the blood vessels They travel to target organs, where they cause a change Endocrine vs Nervous system The nervous system sends electrical messages to control and coordinate the body. The endocrine system has a similar job, but uses chemicals to “communicate” Endocrine system works more slowly than the Nervous system Response of Nervous system is short lived, while response of Endocrine system may be short or long lived Hormo