human reproductive system

Question 1

what does sexual reproduction involve?

Answer 1

the formation of new individuals using the combined genetic material from 2 individuals (the parents)

Question 2

what is puberty?

Answer 2

the time in life when a boy or girl becomes sexually mature (10-14 for girls, 12-16 for boys)

Question 3

what is the first sign of puberty in girls?

Answer 3

breast development

Question 4

what happens last for a girl in puberty

Answer 4

periods

Question 5

what is the first sign of puberty in boys?

Answer 5

testes and penis get bigger

Question 6

what is the last thing that happens to a boy in puberty?

Answer 6

facial hair and deep voice

Question 7

what is menopause?

Answer 7

time in a woman’s life when menstruation stops

Question 8

what age does menopause usually happen?

Answer 8

45 up

Question 9

what is the menstruation cycle?

Answer 9

a series of events that occurs about every 28 days

Question 10

what is menstruation?

Answer 10

the loss of blood from the lining of the uterus through the vagina

Question 11

what is ovulation?

Answer 11

the release of an egg from an ovary

Question 12

what is the fertile period?

Answer 12

time during the menstruation cycle when a woman is most likely to become pregnant.

Question 13

what is ejaculation?

Answer 13

the release of semen from the penis

Question 14

what is fertilisation?

Answer 14

the fusion of male and female gametes to form a zygote.

Question 15

where does fertilisation occur?

Answer 15

in the fallopian tube

Question 16

what is implantation?

Answer 16

the attachment of the embryo to the lining of the uterus

Question 17

what is pregnancy?

Answer 17

the time the embryo spends developing in the uterus

Question 18

what is the placenta?

Answer 18

an organ that allows substances

to be exchanged between the mother’s blood and the embryo’s blood.

Question 19

what is labour?

Answer 19

onset of painful contractions

of the muscles of the uterus that become stronger and more frequent as the birth of the baby gets closer.

Question 20

what is infertility?

Answer 20

inability of a person to reproduce

by natural means.

Question 21

what does ivf stand for?

Answer 21

in vitro fertilisation

Question 22

what is ivf?

Answer 22

the mixing of sperm and an egg outside the woman’s body. the resulting embryo can be implanted in the woman’s uterus in order for her to become pregnant.

Question 23

what is contraception?

Answer 23

birth control. methods or devices invented to prevent pregnancy.