Endocryne

• What is the primary function of hormones in the body?


  To act as chemical messengers sent in the blood
• How do hormones affect the body?


  They affect particular cells in specific organs called target organs
• What is the role of endocrine glands?


  They produce and secrete hormones
• What is the effect duration of hormones compared to nerves?


  Hormones tend to have relatively long-lasting effects
• What are some examples of glands in the endocrine system?

  • Pituitary gland
  • Ovaries
  • Testes
  • Thyroid
  • Adrenal gland
  • Pancreas
• Why is the pituitary gland referred to as the "master gland"?


  Because it produces hormones that regulate other glands
• What hormone do the ovaries produce?

  Oestrogen
• What is the role of testosterone in males?


  It controls puberty and sperm production
• What are the key differences between nerves and hormones?


  Nerves:

  • Very fast action
  • Short duration
  • Precise area of effect

  
  

  Hormones:

  • Slower action
  • Long-lasting effects
  • General area of effect
• How can you determine if a response is nervous or hormonal?


  If the response is quick, it's probably nervous; if it lasts long, it's likely hormonal
• What happens when adrenaline is released into the body?


  It causes the body to prepare for action, leading to a fight or flight response
• What types of bodily functions do hormones typically control?


  They control functions that aren't immediately life-threatening, like sexual development and blood sugar levels