biopsychology- endocrine system

Question 1

what is the endocrine system?

Answer 1

-communication system that instructs glands to release hormones directly into the bloodstream
-these hormones are carried in the blood towards target organs in the body

Question 2

speed of the endocrine system compared to the NS?

Answer 2

acts much more slowly

Question 3

what is a hormone?

Answer 3

chemical substance that circulates in the blood stream and affects target organs

Question 4

what does the hypothalamus do?

Answer 4

-control system that regulates the endocrine system
-brain region connected to the pituitary gland
-stimulates and controls the release of hormones from the pituitary gland

Question 5

what’s released from the adrenal medulla and what impact does it have?

Answer 5

(inside)
-adrenaline and noradrenaline
-key role in fight or flight

Question 6

what’s released from the adrenal cortex and what impact does it have?

Answer 6

(outside)
-cortisol
-triggers release of glucose to provide the body with energy and suppressing the immune system

Question 7

what’s released from the testes and what impact does it have?

Answer 7

-testosterone
-responsible for male sex characteristics during puberty and muscle growth

Question 8

what’s released from the ovaries and what impact does it have?

Answer 8

-estrogen
-regulates female reproductive system (menstrual and pregnancy)

Question 9

what’s released from the pineal gland and what impact does it have?

Answer 9

-melatonin
-biological rhythms (sleep/wake cycle)

Question 10

what’s released from the thyroid gland and what impact does it have?

Answer 10

-thyroxine
-regulates metabolism

Question 11

what’s released from the hypothalamus and what impact does it have?

Answer 11

-stimulates and controls the release of hormones from the pituitary gland