hormones

• What kind of system is the endocrine system?

  System of glands secreting hormones
• How does the endocrine system's effects compare to the nervous system's effects in terms of speed and duration?

  Slower but act for longer
• Where is the pituitary gland located in the body?

  Brain
• Which organ is responsible for monitoring and controlling blood glucose concentration?

  Pancreas
• Which two hormones interact to regulate blood glucose levels in the body?

  Insulin and glucagon
• What is the primary cause of Type 1 diabetes?

  Pancreas produces insufficient insulin
• What is the primary cause of Type 2 diabetes?

  Body cells no longer respond to insulin
• What is the primary function of the kidneys?

  Filter and reabsorb useful substances
• How are excess amino acids excreted from the body?

  Deaminated, converted to urea, excreted
• Which hormone controls the water level in the body?

  ADH
• What are the two main treatments for kidney failure?

  Organ transplant or kidney dialysis
• What is the function of FSH in the body?

  Causes eggs to mature, produces oestrogen
• What is the primary function of LH?

  Stimulates the release of an egg
• What is the function of oestrogen in the body?

  Causes lining of uterus wall to thicken
• What are some methods of hormonal contraception available?

  Oral contraceptives, injection, implant, patch
• What are the disadvantages of IVF treatment?

  • Emotionally and physically stressful
  • Low success rate
  • Can lead to risky multiple births
• What is the function of adrenaline in the body?

  Increases heart rate, prepares for 'fight or flight'
• What is the function of thyroxine in the body?

  Stimulates basal metabolic rate
• What is geotropism in plants?


  Response to gravity
• What is phototropism in plants?

  Response to light
• What are three agricultural uses of gibberellins?

  End seed dormancy, promote flowering, increase fruit size