human reproduction

Question 1

secondary sexual characteristics

Answer 1

features that emerge after puberty

Question 2

what is the function of the prostate gland

Answer 2

produce seminal fluid

Question 3

function of epididymis

Answer 3

sperm storage or transport sperm from testes to sperm duct

Question 4

give cause of male infertility

Answer 4

low sperm count or sperm immobility

Question 5

how long is a typical menstrual cycle

Answer 5

28 to 30 days

Question 6

what are the effects of low oestrogen and progesterone on the female reproductive system

Answer 6

menstruation or new follicle development

Question 7

why does oestrogen levels increase after day 5

Answer 7

fsh stimulates more production of oestrogen

Question 8

what even occurs around day 14 of the menstrual cycle

Answer 8

ovulation

Question 9

what hormone stimulates ovulation

Answer 9

LH

Question 10

why do progesterone levels increase in the days after day 14

Answer 10

corpus luteum stimulates progesterone

Question 11

what are the functions of the placenta

Answer 11

prevent mothers blood from mixing with babys blood

movement of food to foetus

antibodies from mother to baby

Question 12

outline the birth process

Answer 12

progesterone levels decrease causing uterus to contracts and contractions
mucus plug blocking cervix is expelled and amniotic fluid escapes
as contractions get stronger the baby starts to move down hetd first.
the mother must push the baby out of the vagina
the umbilical chord is cut and the placenta is delivered

Question 13

state three methods of contraception

Answer 13

condom
pill
surgical sterilisation

Question 14

what hormone is responsible for milk production

Answer 14

prolactin

Question 15

what are the benefits of breastfeeding

Answer 15

bonding of mother and baby
perfect food for baby at perfect temperature

Question 16

what are the two tissues involved in placenta formation

Answer 16

uterine and embryo tissue

Question 17

difference between the size of male and female gametes

Answer 17

male is small and female is large

Question 18

difference between male and female gamete production

Answer 18

male is continuously and female is monthy

Question 19

difference between male and female gamete numbers

Answer 19

male is high numbers and female is low numbers

Question 20

what is a cause and treatment for endomoetriosis

Answer 20

genetic surgery

Question 21

what is implantation

Answer 21

embedding of zygote to endometrium

Question 22

what happens to progesterone after implantation

Answer 22

increases

Question 23

what happens to the endometrium after implantation

Answer 23

thickens

Question 24

the three germ layers

Answer 24

endoderm ectoderm and misoderm

Question 25

location of production of female gametes

Answer 25

ovary

Question 26

location of fertilisation

Answer 26

fallopian tube

Question 27

in vitro fertilisation

Answer 27

gametes fuse outside of the body

Question 28

benefit of in vitro fertilisation

Answer 28

higher chance of successful implantation

Question 29

why must blood not mix

Answer 29

infections different blood types

Question 30

where are fsh and lh produced

Answer 30

pituitary gland

Question 31

where does mieosis occur in males

Answer 31

testes

Question 32

why does mitochondria come from mother only

Answer 32

only head of sperm cell enters egg

Question 33

difference in gamete survival for men and women

Answer 33

men 0-7 days women 12-48 hours

Question 34

what is the amnion

Answer 34

membraine surrounding the foetus

Question 35

what structures do the three germ layers produce

Answer 35

endoderm digestive system ectoderm nervous system misoderm skeletal system

Question 36

what does the amnion do

Answer 36

protect foetus

Question 37

what is semen

Answer 37

sperm cells and seminal fluid

Question 38

morulla

Answer 38

ball of cells

Question 39

blactocyst

Answer 39

fluid filled ball of cells