hormonal coordination GCSE Flashcards
what are the roles of the pituitary gland?
Controls the growth in children, stimulates their thyroid gland to make thyroxine (metabolism), any females it stimulates the ovaries to release eggs, and make oestrogen, in males stimulates the testes to make sperm and testosterone
What’s the role of the thyroid gland?
Control the rate of metabolism in the body
What is the role of the pancreas?
Control is blood glucose levels
What’s the role of the adrenal gland?
Per passibility for stress, which is involved in the flight or fight response
what is the role of the ovaries
controls the development of the female secondary sexual characteristics controls the menstrual cycle
What is the role of the testes?
Controls the development of male, secondary sexual characteristics and is involved the production span
what is the follicle stimulating hormone (FSH) release by and what’s its function
The pituitary gland, and its function causes eggs to mature in the ovaries, and stimulates the ovaries to produce oestrogen
What does FSH stand for?
Follicle stimulating hormone
What does LH stand for?
Luteinising hormone
where is the luteinising hormone released by and what its function?
stimulates the release of mature eggs from the ovaries (ovulation)
Where is oestrogen released from its function?
ovaries and its function is to cause the lining of uterus walls to thicken, inhabits, release of FSH, stimulates, release of LH
Where is progesterone released by and what’s its function?
The ovaries and its function is to maintain thick, uterus lining and inhibits release of FSH and LH
What is the endocrine system?
System of Glands that secretes hormones into the bloodstream
How do the effects of the endocrine system compare to those of the nervous system?
The endocrine system system affects are slower but act for longer
which organ monitors
and controls blood glucose concentration
pancreas
which hormones interact to regulate blood glucose levels
Insulin and glucagon
What is the cause of type one diabetes?
Pancreas produces insufficient insulin
what is the cause of type two diabetes?
Body cells, no longer respond to insulin
what are the methods of hormonal contraception?
oral contraceptives, injections, implants, skin patches and IUD
what are the methods of non-hormonal contraception
Barrier methods, copper IUD, spermicidal agents, sterilisation, abstinence
What are the disadvantages of IVF treatment?
emotionally and physically stressful, low success rate, can lead to risky multiple births
What is the function of adrenaline in the body?
increases the heart rate and boost delivery of oxygen and glucose to the brain and muscles to prepare the body for fight or flight
Name one hormone controlled by negative feedback
Thyroxine
which endocrine glands control, secondary sexual characteristics
Ovaries in females and testes in males
