chapter 11 - hormonal coordination

Question 1

what is the endocrine system?

Answer 1

a system of glands that secrete hormones into the bloodstream

Question 2

effects of endocrine system VS nervous system?

Answer 2

endocrine system effects are slower but act for longer

Question 3

where is the pituitary gland located?

Answer 3

the brain

Question 4

function of adrenaline in the body?

Answer 4

• increases heart rate

- boosts delivery of oxygen and glucose to brain and muscles to prepare the body for ‘fight or flight’

Question 5

function of thyroxine in the body?

Answer 5

stimulates basal metabolic rate, so is important for growth and development

Question 6

which organ monitors and controls blood glucose concentration?

Answer 6

the pancreas

Question 7

which hormones interact to regulate blood glucose levels?

Answer 7

insulin and glucagon

Question 8

cause of type 1 diabetes?

Answer 8

the pancreas produces insufficient insulin

Question 9

cause of type 2 diabetes?

Answer 9

the body cells no longer respond to insulin

Question 10

function of FSH?

Answer 10

• causes eggs to mature in ovaries

- stimulates ovaries to produce oestrogen

Question 11

function of LH?

Answer 11

• stimulates release of an egg

Question 12

function of oestrogen?

Answer 12

• causes the lining of the uterus wall to thicken

- controls development of female characteristics

Question 13

methods of hormonal contraception?

Answer 13

• oral contraceptives
• an injection
• implant
• skin patch

Question 14

disadvantages of IVF?

Answer 14

• emotionally and physically stressful
• low success rate
• can lead to risky multiple births

Question 15

function of testosterone?

Answer 15

• promotes development of male characteristics

Question 16

what is pituitary?

Answer 16

growth promotes bone and muscular growth

Question 17

what is ADH?

Answer 17

antidiuretic controls water in the urine vici kidneys

Question 18

what is TSH?

Answer 18

thyroid stimulating control function of thyroid gland

Question 19

how does insulin travel around the body?

Answer 19

in the bloodstream

Question 20

what kind of messenger is a hormone?

Answer 20

chemical

Question 21

which part of the brain secretes hormones?

Answer 21

pituitary gland

Question 22

what is a hormone?

Answer 22

a chemical message produced in the endocrine system in the bloodstream

Question 23

what is glucose?

Answer 23

a sugar used in respiration to make energy

Question 24

what is glycogen?

Answer 24

a storage substance made of glucose thats stored in the liver

Question 25

what is insulin?

Answer 25

a hormone that tells your body to change glucose into glycogen thats made in the pancreas

Question 26

what is glucagon?

Answer 26

a hormone that tells your liver to change glycogen back into glucose and thats made in the pancreas

Question 27

main things in the female reproductive organ?

Answer 27

- fallopian tube - ovary - womb/uterus - cervix - vagina

Question 28

how long is the menstrual cycle?

Answer 28

28 days

Question 29

what days are menstration?

Answer 29

0-5 days

Question 30

what happens from days 5-14?

Answer 30

the lining builds up again

Question 31

what day does ovulation occur?

Answer 31

day 14

Question 32

what days is the body waiting for the egg to be fertilised?

Answer 32

days 14-28

Question 33

non - hormonal contraception?

Answer 33

- condoms - diaphragm - spermicide - abstinence - copper IVD

Question 34

pros and cons of IVF?

Answer 34

``` pros - helps infertile couples cons - doesnt always work (1 in 4) - emotionally upsetting - physically painful (vomiting) - stressful ```

Question 35

process of IVF?

Answer 35

- FSH is injected daily - eggs are collected with sperm in petri dish - then tested genetically to check for developments - then put one or two balls of embryo cells in the mother - the baby will then grow