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The Endocrine The Endocrine systemsystem

Glands and hormonesGlands and hormones

Consists of Consists of

Hormones and Hormones and glands throughout glands throughout the body. the body.

The endocrine system is used for The endocrine system is used for communicationcommunication throughout your throughout your body. body.

It tells your body what to do by It tells your body what to do by using chemicals called using chemicals called HormonesHormones. .

These are produced in These are produced in glandsglands. . A gland is a A gland is a group of cells that group of cells that

produces and secretes, or gives produces and secretes, or gives off, hormonesoff, hormones

{{MAJOR GLANDSMAJOR GLANDS

Major Glands of the Endocrine systemMajor Glands of the Endocrine system PituitaryPituitary ThyroidThyroid ParathyroidParathyroid Adrenal.Adrenal. PancreasPancreas Gonads (ovaries and testes). Gonads (ovaries and testes).

Located in the brain, helps control the Located in the brain, helps control the pituitary gland. pituitary gland.

Sends out numerous signals to other Sends out numerous signals to other glands glands

Controls our nervous system (sleeping, Controls our nervous system (sleeping, eating, body temperature)eating, body temperature)

HypothalamusHypothalamus

Master gland of bodyMaster gland of body Produces many hormones that affect other Produces many hormones that affect other

glandsglands Controls growth and developmentControls growth and development

Pituitary glandPituitary gland

Thyroid- Thyroid- produces produces hormones that hormones that control control metabolism and metabolism and calcium in blood. calcium in blood.

Adrenal glandsAdrenal glands Located just Located just

above the kidneyabove the kidney Secretes many Secretes many

hormones that hormones that deal with stress deal with stress like adrenaline! like adrenaline!

Pancreas- Pancreas- Located behind your Located behind your

stomachstomach Maintains blood sugar Maintains blood sugar

levelslevels Releases insulin, which Releases insulin, which

help glucose movehelp glucose move Pancreas produces and Pancreas produces and

secretes digestive secretes digestive enzymesenzymes

PinealPineal The pineal gland, is located in The pineal gland, is located in

the middle of the brain. the middle of the brain. It secretes melatonin a It secretes melatonin a

hormone that may help hormone that may help regulate when you sleep at regulate when you sleep at night and when you wake in night and when you wake in the morningthe morning

Response to a dangerous situation. Your heart rate increases to pump

more blood to your muscles and brain. Your lungs take in air faster to supply

your body with oxygen. The pupils in your eyes get larger to

see better. And your digestive and urinary systems

slow down for the moment so you can concentrate on more important things.

http://www.youtube.com/watch?v=4g25d7_Afmchttp://www.youtube.com/watch?v=4g25d7_AfmcFight or Flight Fight or Flight ResponseResponse

Think of a scenario (situation) where Think of a scenario (situation) where your body might find itself in a fight or your body might find itself in a fight or flight response. How would your body flight response. How would your body react? What changes would your body go react? What changes would your body go through?through?

Journal “Fight or Journal “Fight or Flight”Flight”