science ( ENDOCRINE SYSTEM)

• endocrine system is a collection of glands that produce hormones that regulate metabolism growth and development, tissue function, sexual function, reproduction, sleep and mood.
• secrete hormones directly into the bloodstream to regulate the daily activities of the body and control its overall development.
• hormone is a chemical messenger which targets a specific group of cell, in order to cause that group of cells do some activity or stop doing an activity.
• glands is an organ that makes one or more substance, such as hormones, digestive juices, sweat, tears, saliva, or milk.
• endocrine glands release the substances directly into the bloodstream, to regulate body function.
• exocrine glands release the substances into a duct to perform physiological functions.
• liver > bile released into the gallbladder, then through a duct into the small intestine.
• pancreas > releases pancreatic juice into the small intestine via a duct.
• hypothalamus

  
• pituitary gland

  
• pineal gland

  
• thyroid gland

  
• parathyroid gland

  
• thymus gland

  
• pancreas

  
• adrenal

  
• regulates activity of the body, body temperature, metabolism, reproduction, blood pressure and use of water.

  hypothalamus
• -regulates growth of skeletal system

  -milk production in mammary gland

  pituitary
• receive information about the state of the light-dark cycle from the environment.

  pineal
• regulate the body's metabolic rate controlling heart, muscle and digestive function, brain development and bone maintenance

  thyroid
• regulates the mineral in the body; calcium and phosphorus in the bloodstream.

  parathyroid
• stimulates the development of the body's defenses against infections.

  thymus
• controls the level sugar of the blood.

  pancreas
• responsible to stressful situation

  adrenal