Endocrine System

1
Endocrine System

• The bodys slow chemical communication system a
  set of glands that secrete hormones into the
  bloodstream

2
I. Thyroid

• Helps control metabolism

3
Pancreas

• Secretes insulin which is a hormone that reduces
  the level of sugar( glucose) in the blood.

4
Parathyroids

• 4 located on the thyroid. They help control the
  level of calcium in the blood and helps maintain
  balance of phosphorus.

5
Ovary

• Secretes estrogen and progesterone in women.

6
Testes

• Secretes the male hormone testosterone.

7
Pituitary

• A sort of master gland.
• It is a cherry sized gland.
• The hormone it secretes affect growth and the
  secretion of other endocrine glands.
• The real boss is the hypothalamus links the
  endocrine and nervous systems.

8
Negative Feedback System

• Brain Pituitary Other glands Hormones
  Brain
• When the amount of a particular hormone in the
  blood reaches a certain level, the endocrine
  system sends signals to stop the release of that
  hormone
• (Like a Thermostat furnace)

9
Adrenal

• A pair of endocrine glands just above the kindey
• They secrete epinephrine and norepinephrine which
  help to arouse the body in times of stress.

10
Pineal Gland

• Located in the brain. It secretes melatonin a
  hormone that helps regulate wake/sleep patterns.