Endocrine system

Question 1

define hormone

Answer 1

chemical substances that help to regulate processes in the body. Hormones are secreted by glands and travel to their targeted organs in the blood system

Question 2

define gland

Answer 2

organ which produces and releases substances that perform a specific function in the body.
endocrine glands release hormones that they make directly into the blood stream

Question 3

role of pituitary gland

Answer 3

• stimulates the adrenal cortex and release of cortisol in stress response
• responsible for uterus contractions during child birth

Question 4

role of adrenal gland

Answer 4

• adrenal medula is responsible for releasing adrenaline and noradrenaline (key in fight or flight)
• adrenal cortex releases cortisol, stimulates release of glucose to provide body with energy

Question 5

role of ovaries

Answer 5

release oestrogen which controls the regulation of the female reproductive system including menstrual cycle and pregnancy

Question 6

positive of endocrine system

Answer 6

pituitary gland has special receptors that monitor levels of cortisol in blood.

• they respond to an increase of cortisol by reducing secretions of CRF
• returns body back to normal level of cortisol
• limits danger 2 the body :)

Question 7

negative of endocrine system

Answer 7

research has found that when an individual is exposed to high amounts of stress, there is an adverse affect on the endocrine system/
so more stress = more stress related illness