Endocrine System

Question 1

Hormones

Answer 1

• They are chemicals that circulate in the bloodstream and are carried to target sites throughout the body
• A given hormone usually only affects a limited number of cells, known as target cells
• Only cells with the hormone’s specific receptors will be affected by the hormone

Question 2

Examples of glands

Answer 2

Adrenal gland: An important of the fight-or-flight response as it facilitates the release of adrenaline

Pancreas gland: This secreted insulin and glucagon, which help regulate blood sugar levels by secreting these two hormones when levels are too low or too high