Chapter 15

Question 1

What are ovaries?

Answer 1

organs that produce female gametes (eggs)

Question 2

What are oviducts?

Answer 2

tubes leading from the ovaries to the uterus(fallopain tubes)

Question 3

Where does the 2 oviducts lead to?

Answer 3

the womb or uterus

Question 4

What is a uterus?

Answer 4

the organ in which the fetus develops before birth

Question 5

What is a cervix?

Answer 5

a narrow opeing leading from the uterus to the vagina

Question 6

What is a vagina?

Answer 6

opening from the uterus to the outside of the body

Question 7

what is a scrotum?

Answer 7

the sac that contains the testes

Question 8

What is a sperm duct?

Answer 8

a tube that transport sperm from the testis to the urethra

Question 9

what does the urethra do(male)?

Answer 9

can carry both urine & sperm at different times

Question 10

what is a prostate gland?

Answer 10

organ that produces a nutritous fluid in which sperm are transported

Question 11

is a egg a single cell?

Answer 11

yes

Question 12

What does ovulation mean?

Answer 12

the release of an egg from the ovary

Question 13

What is a epididymis?

Answer 13

part of the testis in which sperm are stored

Question 14

What is sperm production very sensitve to?

Answer 14

heat

Question 15

What is a flagellum?

Answer 15

a long,whip-like “tail” structure found in soerm,which are used for swimming

Question 16

what is a acrosome?

Answer 16

a structure containing digestive enzymes (the head of the sperm cell)

Question 17

what happens if the egg isnt fertilised by the sperm within 8-24 hours?

Answer 17

it dies

Question 18

what is the fluid called containing sperm?

Answer 18

semen

Question 19

at which rate can sperm swim?

Answer 19

4mm per min

Question 20

what is a embryo?

Answer 20

ball of cellls taht is produced by repeated division of the zygote

Question 21

What does implantation mean?

Answer 21

attachment of the embryo to the lining of the uterus

Question 22

Where does fertiliation take place?

Answer 22

inside the fallopain tubes

Question 23

Where does implantation take place?

Answer 23

in the utherine lining

Question 24

Where is the liquid part of semen produced in?

Answer 24

the prostate glands

Question 25

What is a placenta?

Answer 25

an organ that connects the growing fetus to its mother

Question 26

What are the finger-like projections called in a placenta?

Answer 26

villi

Question 27

What is a fetus?

Answer 27

a unborn mammal

Question 28

What is a unbilical cord?

Answer 28

a structure containing blood vessels that connects the fetus to the placenta

Question 29

wat is a amniotic sac?

Answer 29

a touugh membrane that surrounds a developing fetus in the uterus

Question 30

What is amniotic fluid?

Answer 30

liquid secreted by the amniotic sac,which supports & protects the fetus

Question 31

What does amniotic fluid help with?

Answer 31

to support the embryo & protect against injury

Question 32

Why does the embryo float in the liquid?

Answer 32

to help the muscules & skeleton to develop correctly

Question 33

What are the main reproductive hormone produced by men?

Answer 33

testosterone

Question 34

What are the main reproductive hormone produced by women?

Answer 34

oestrogen

Question 35

What does adolescence mean?

Answer 35

the time when a person approches sexual maturity

Question 36

What is puperty?

Answer 36

the time at which sexual maturity is reached

Question 37

What is follicle?

Answer 37

a structure within the ovary,in which the egg develops

Question 38

What is menstruation?

Answer 38

the loss of broken down uterus lining throught the vagina

Question 39

what organ secretes oestrogen & progesterone?

Answer 39

the ovaries

Question 40

What happens with the uterus during the 14day cycle?

Answer 40

the uterus thickens(proliferactive phase)

Question 41

What happens with the ovaries during the 14days cycle?

Answer 41

follicles mature(follicular phase)

Question 42

What is the role of progesterone during menstral cycle?

Answer 42

prepares the endometrium for implantation & inhabits further ovulation

Question 43

what is STI'S?

Answer 43

a sexually transmitted disease caused by pathogens

Question 44

What is AIDS?

Answer 44

(acquired immune deficiency syndrome) a disease caused by HIV,which destroys white blood cells

Question 45

What is HIV?

Answer 45

human immunodeficiency virus

Question 46

What type of cells does HIV infect?

Answer 46

T cells

Question 47

What are the drugs name that control HIV?

Answer 47

antiretrovirals

Question 48

Name the 3 ways HIV can be transmitted?

Answer 48

1. sexual contact 2.direct blood to blood contact 3.breast feeding

Question 49

Nmae 3 ways to prevent HIV spreading?

Answer 49

1.using condoms 2.using antiretroviral drugs 3.avoid sharing needles