reproduction in humans

Question 1

what is the function of prostate gland

Answer 1

it releases semen

the semen contains nutrients and enzymes to help actite the sperms

Question 2

what is the function of sperm duct

Answer 2

it is a pathway travelled by the sperm from the testis to the urethra

Question 3

what is the function of penis

Answer 3

it is an erectile organ

deposits semen into vagina

Question 4

what is the function of urethra

Answer 4

pathway for urine and semen to travel out of the body

Question 5

what is the function of testis

Answer 5

produce sperms and male sex hormones

Question 6

what is the function of scrotum

Answer 6

keeps testis at a lower temperature

optimal for sperm production

Question 7

what is the function of oviduct

Answer 7

fertilisation occurs

ovum (the egg) fertilised in oviduct

Question 8

what is the function of ovary

Answer 8

produce eggs and

female sex hormones such as oestrogen and progesterone

Question 9

what is the function of uterus

Answer 9

consist of the uterine lining

Question 10

what is the function of uterine lining

Answer 10

after fertilisation,
site of implantation of embryo
if no fertilisation occur,
it breaks down and passes out of the body

Question 11

what is the function of cervix

Answer 11

it is a circular ring of muscles

enlarge when delivering a baby

Question 12

what is the function of vagina

Answer 12

semen is deposited into the vagina during sex

Question 13

function of oestrogen

Answer 13

repair and grow uterine lining after menses

Question 14

what is the function of progesterone

Answer 14

maintain and thicken uterine lining to prepare for implantation

Question 15

the days of menstrual cycle can be affected by

Answer 15

stress
illness
malnutrition

Question 16

what happens between day 1 to 5 of the menstrual cycle

Answer 16

menses occur for about 5 days

process whereby blood and uterine lining is broken down and is being discharged from uterus to the vagina

Question 17

what happens between day 6 to 13 of the menstrual cycle

Answer 17

ovaries secretes oestrogen

Question 18

what happens between day 14 of the menstrual cycle

Answer 18

ovulation occurs

the release of an egg from the ovary

Question 19

what happens between day 15 to 28 of the menstrual cycle

Answer 19

progesterone is secreted to thicken the uterine lining

thus ready for possible implantation

Question 20

explain the fertilisation and zygote development

Answer 20

during sex, semen (sperm) is deposited into the vagina
sperms swim up to the oviduct and meet the ovum
fertilisation occurs, nucleus of one sperm and nucleus of ovum = zygote
zygote is travelled down to the uterus.
as it travels, zygote will divide into many times to form a ball of cells called an embryo
it then reaches the uterus an embedded into the uterine lining

Question 21

what is HIV stands for

Answer 21

human immunodeficiency Virus (HIV)

Question 22

what causes HIV

Answer 22

(AIDS) acquired immune deficiency syndrome is caused by HIV

Question 23

how is HIV spread

Answer 23

by contact via
blood
semen
vaginal fluid

Question 24

HIV is transmitted by…

Answer 24

sex with an infected person
receiving blood transfusion from infected donor
sharing and reusing contaminated needle
infected mum can also pass disease to a fetus during pregnancy

Question 25

HIV can be prevented by

Answer 25

having protected sex - use condom
have sex with one partner
screening of blood that is donated
not sharing objects that can be contaminated with blood or bodily fluids

Question 26

how long can a female egg survive

Answer 26

it an survive 24hr after ovulation

Question 27

how long can sperms survive

Answer 27

up to 5 days