Human Reproduction

Question 1

what is reproduction

Answer 1

it is the production of new people

Question 2

the male gamete

Answer 2

the sperm cell

Question 3

the female gamete

Answer 3

the egg cell

Question 4

what is puberty

Answer 4

time in a persons life when they become sexually matue

Question 5

what are the hormones in a fe/males body

Answer 5

testosterone

oestrogen

Question 6

puberty in boys

Answer 6

begins about 12-13 yrs
sexual characteristics that develop are-

testicles and penis increase inn size
sperm are produced in testes
increased interest in girls

Question 7

what are the physical characteristics that develop for men

Answer 7

growth of pubic hair,face, hair and hair elsewhere

sudden growth spurt in overall growth

chest deepens,shoulder broaden, a increase in muscle

larnx widens,causing the voice to break and deepen

spots may appear on skin,due to the over production of oil

Question 8

puberty in girls

Answer 8

begins 11-12
sexual characteristics that develop-
ovaries and womb increase in size
the menstrual cycle begins
interest in girls

Question 9

physical characteristics that develop in girls

Answer 9

breasts grow 
hip widen
pubic hair
sudden spurt in overall growth
spots may produce on skin due to overproduction of oils

Question 10

what is the path of semen

Answer 10

the man places his erect penis into the mans vagina.this results in ejaculation

Question 11

what is fertilisation

Answer 11

if an egg is present in the fallopian tube the eggs join the egg cell

Question 12

fertilisation to pregnancy

Answer 12

the fertilised eggs divide a number of times.the time groups of cells move down the fallopian tube to the uterus. the group of cells then bury themselves into the lining of the womb. implantation. once implantation has taken place the women is pregnant

Question 13

describe pregnancy

Answer 13

after implantation the baby becomes surrounded by a membrane called the amnion. the membrane fills up with amniotic fluid. last 9 months

Question 14

what is amnion

Answer 14

it is the membrane that surrounds the baby

Question 15

what is the liquid that amnion fills up with

Answer 15

amniotic fluid

Question 16

describes the plancenta

Answer 16

passes oxygen and food from the mother’s blood to the baby
passes waste products from the baby to the mother
allows harmful substances to pass into the mother to the baby

Question 17

what is the umbilical cord

Answer 17

connects placenta to baby at the belly button

Question 18

describe the birth

Answer 18

muscles in the uterus start to contract. these contractions are called labour.the contractions cause the amnions to burst. the cervix widen with the contractions. the baby is pushed head first out of teh womb and into the vagine. the umbilical cord is clamped and cut

Question 19

describe the aftrerbirth

Answer 19

uterus contracts after baby is born.. the remains if the placenta is pushed out of the vagina

Question 20

describe contraception

Answer 20

preventing fertilisation by stopping egg from reaching the egg Example-condoms and coil

preventing an over from releasing an egg
example-implant,contraceptive pill