endocrine system

• Pancreas

  Secretes insulin (and glucagon) to control blood sugar
• Thyroid

  Controls growth and metabolism
• Adrenal glands

  Releases adrenaline and increases heart rate
• Type 1 diabetes

  • Pancreas doesn't create enough insulin
  • Insulin injections needed
• Type 2 diabetes

  • Cells don't absorb glucose well enough
  • Obesity can increase risk
• hormones are chemical messengers that travel through the bloodstream to target cells
• Hypothalamus is part of brain that controls pituitary gland
• pituitary gland releases hormones into blood stream which stimulate other glands to release their own hormones