Regulatory

Stimulus**- something in the environment that you perceive with your 5 senses Both of these systems send messages through out the body. The Endocrine system sends out hormones that is much slower than the nervous system which reacts instantly. The Endocrine system uses glands that produce the hormones. Made up of glands which produce hormones.
 * __Regulation__**-The ability of an organism to control and coordinate all of the other body systems, and maintain Homeostasis
 * Endocrine** and the **Nervous Systems
 * Responce**-Your reaction to the stimulus
 * __ENDOCRINE__**-Controls and coordinates the body by sending a chemical message (hormones) out into the blood stream to tell the body part what to do.
 * regulate growth, reproducton and development
 * works with nervous system to control and coordinate the body's responses to changes in the environment

Hormones send messages very slowly like mailing a letter. The Endocrine system deals with long term things like puberty. The body releases hormones to start puberty, either estrogen if you are a girl or testosterone if you are a boy.

Made up of the Brain, Spinal Cord, Nerves and Neurons. Brain-Control system for the Nervous system and made up of three parts Spinal Cord-Where all of the Nerves cone from the brain and spread through out the body Nerves-Tiny cords that are all over your body that send messages to the brain. Neurons-Cells that make up the nerves and the brain and the spinal cord.
 * __NERVOUS__**-Controls and coordinates the body by a direct connection between the brain and the bidy part with a nerve
 * 1) Cerebrum-5 senses, thinking, memory, personality, intelligence
 * 2) Cerebellum-Balance and Coordination
 * 3) Medulla-Involuntary: Breathing, digesting food, heart beat, regulation of the body temperature

Nervous system sends messages instantly like E-Mail. The Nervous system reacts to things like if you put your hand on the stove you instantly pull your hand away. You don't even have to think about it.