THE FUNCTION OF THE ENDOCRINE SYSTEM

Question 1

Endocrine system

Answer 1

• A network of glands throughout the body that manufacture and secrete chemical messengers known as hormones.
• Works alongside the nervous system to control vital functions in the body.

Question 2

Endocrine glands

Answer 2

• Special groups of cells within the endocrine system; function is to produce and secrete hormones. Examples are pituitary, adrenal, testes, ovaries.

Question 3

Pituitary

Answer 3

• AKA the “master gland”. Some of the hormones secreted are important for system regulation.
• Primary function is to influence the release of hormones from other glands.

Question 4

Pituitary (oxytocin)

Answer 4

• Stimulates contractions in the uterus during childbirth
• Aids conception and creates feelings of relaxation and calm Encourages strong bonding between couples/child and mother

Question 5

Adrenal glands (adrenaline)

Answer 5

• Both hormones prepare the body for fight or flight
• Adrenaline helps individuals to prepare for stressful situations by increasing heart rate and blood flow to muscles and brain

Question 6

Adrenal glands (adrenial cortex)

Answer 6

• Aids the body’s stress response
• Low cortisol levels lead to low blood pressure, immune functioning and an inability to deal with stress.

Question 7

Testes

Answer 7

• Facilitate testosterone (male hormone) release.

Question 8

Ovaries
oestrogen progesterone

Answer 8

• Facilitate oestrogen and progesterone (female hormones) release.
• Progesterone is more important in the post ovulation phase, it is associated with heightened sensitivity to social cues that indicate the presence of social opportunity (allies)or threat (from outsiders) that would be significant in the case of pregnancy.

Question 9

Feedback

Answer 9

• This regulates the endocrine system to ensure stable concentration of hormones.