The endocrine system

• Hormone produced by the pituitary gland?

  ACTH
• Main function of the endocrine system

  Regulate bodily functions through the release of hormones.
• Describe the role of a hormone in the endocrine system.

  One hormone is testosterone which is responsible for the development of male sex characteristics during puberty, while also promoting muscle growth.
• Describe why the pituitary gland is known as the ‘master gland’.

  • Hormones released by the pituitary gland control and stimulate the release of hormones from other glands in the endocrine system.
  • Two key hormones secreted from the pituitary gland are oxytocin and ACTH.
• one similarity and one difference between the pituitary gland and the adrenal glands.

  • The pituitary gland is found in the brain, whereas the adrenal glands are located above the kidneys.
  • The pituitary gland released at least two hormones and so does the adrenal gland.
• role of one endocrine gland and of one hormone that it produces.

  • The adrenal gland is divided into two parts: The adrenal medulla and the adrenal cortex.
  • The adrenal medulla is responsible for releasing adrenaline and noradrenaline, which play a key role in the fight-or-flight response.
  • The adrenal cortex releases cortisol, which stimulates the release of glucose to provide the body with energy whilst suppressing the immune system.