Reproduction in humans

Question 1

function of vas deferens

Answer 1

long tube carrying sperm to urethra during ejaculation

Question 2

function of the vagina

Answer 2

the exit of the reproductive system; receives penis during intercourse; passage for baby at birth

Question 3

function of testis

Answer 3

coiled tubules which produce sperm

Question 4

function of penis

Answer 4

connective tissue with many blood spaces; becomes erect during arousal

Question 5

function of epididdymis

Answer 5

sperm matures and is stored here

Question 6

function of scrotum

Answer 6

sac hanging outside body cavity which houses testis; maintained at slightly lower temperature to body 35 degrees

Question 7

function of Urethra

Answer 7

muscular tube leading to outside; carries both urine and sperm but at separate times

Question 8

function of Seminal vesicles

Answer 8

glands that open into the vas deferens and secrete 70-85% of fluid that forms semen; located beneath bladder and above prostate

Question 9

function of the Prostate gland

Answer 9

secrete a slightly alkaline fluid milky in appearance, usually constitutes 30% of the volume of semen

Question 10

function of cervix

Answer 10

ring of muscle around neck of uterus; produces fluid that aids sperm survival and motility; dilates during child birth

Question 11

function of uterus

Answer 11

muscular pear shaped organ where a fertilized ovum is implanted ling shed during menstruation tubes carring ova(eggs) from ovaries

Question 12

function of fallopian tubes

Answer 12

tubes carrying ova(eggs) from ovaries

Question 13

function of ovaries

Answer 13

Contain many follicles that produce ova and sex hormones oestrogen and progesterone

Question 14

Acrosome of sperm

Answer 14

to breach the egg

Question 15

Umbilical cord

Answer 15

contains artery (takes dissolved CO2 & other
wastes from embryo) and vein (takes dissolved

Question 16

Amniotic fluid

Answer 16

supports and protects developing
embryo; absorbs shock

Question 17

FSH(follicle stimulating hormone)

Answer 17

Stimulates development of follicles in ovaries and

production of oestrogen.

Question 18

Vasectomy

Answer 18

the tubes that carry sperm (vas deferens) are blocked off

Question 19

Oestrogen

Answer 19

It is needed for puberty, the menstrual cycle, pregnancy, bone strength and other functions of the body

Question 20

Placenta

Answer 20

disc-shaped tissue providing large surface area for exchange of substances between mother and embryo’s blood

Question 21

Spermicide

Answer 21

Foams, gels or creams inserted into vagina before
intercourse to kill sperm.