Human reproductive system

Question 1

What is the purpose of reproduction?

Answer 1

A process whereby organisms produce offspring to ensure the survival of this species

Question 2

What is asexual reproduction?(3)

Answer 2

1) without sex cells
2) and simple organisms
3) offspring identical to parents

Question 3

What is sexual reproduction?(6)

Answer 3

1) with sex cells/gametes
2) in more complex organisms
3) egg + sperm = zygote
4) zygote becomes embryo
5) not identical to parents
6) genetic variation in offspring0

Question 4

Function of reproductive organisms

Answer 4

To produce sex cells for species to survive

Question 5

What is fertilisation?

Answer 5

Diffusion of male and female sex cells to form a zygote

Question 6

What is the purpose of a penis?

Answer 6

Places sperm inside female. It becomes erect with extra blood is pumped into it. It releases semen in the vagina during ejaculation

Question 7

What is the purpose of a sperm duct and glands?

Answer 7

Sperm duck carries sperm from the testes to the penis

The male glands release fluids that contain food for the sperm.

Question 8

What is the purpose of the testes and scrotum

Answer 8

testes make sperm and testosterone(male sex hormone)

Scrotum is the bag of skin that holds the testes to keep at a suitable temperature

Question 9

What is the purpose of the male urethra

Answer 9

a tube that carries semen and urine out of the body(never at the same time)

Question 10

Function of male reproductive system?(2)

Answer 10

1) to make and store sperm (testes)
2) to play sperm in vagina (penis)

Question 11

What is the purpose of a vagina?

Answer 11

The vagina is a muscular tube that opens to the outside receives penis during sex and allows birth of a baby

Question 12

What is the purpose of the uterus in female?

Answer 12

It is hollow with a thick muscular wall. Where the baby grows in a woman also called a womb

Question 13

What is the purpose of the fallopian tubes?

Answer 13

(oviducts) carries the egg from the ovary to the uterus. Sperm meets the egg here and it is lined with tiny hair called cilia which help the egg move along

Question 14

What is the purpose of the ovaries?

Answer 14

It’s an organ that makes the egg and releases one each month it also makes oestrogen(female sex hormone)

Question 15

What is the function of the female reproductive system?(2)

Answer 15

1) make eggs(in ovaries)
2) provide a suitable place for a baby to grow(in uterus)

Question 16

What is puberty?(7)

Answer 16

1) happens between the ages of 10 to 15
2) it is changes in the body
3) sex organs mature
4) testes makes sperm
5) ovaries make eggs
6) girls usually start before boys
7) puberty usually ends at 18

Question 17

What are hormones?

Answer 17

type of protein
They act as a chemical messenger
Travel through bloodstream

Question 18

What is the Pituitary gland?

Answer 18

A small structure found at the base of the brain that makes hormones to instruct different organs

Question 19

What happens during puberty?(2)

Answer 19

1) a hormone is sent to reproductive organs to activate them
2) reproductive organs begin to make sex hormones. Sex hormones controlled development of secondary sexual characteristics

Question 20

What are the female reproductive sex hormones?

Answer 20

Oestrogen and progesterone

Question 21

What is the male reproductive hormone?

Answer 21

Testosterone

Question 22

What are the four emotional changes that happened during puberty?

Answer 22

Moody
Tearful
Aggressive
Argumentative

Question 23

What are the phases of the menstrual cycle?

Answer 23

1) menstruation
2) ovulation
3) luteal phase

Question 24

What happens during menstruation?

Answer 24

if an egg is not fertilised the lining of blood and mucus,that is meant for fertilised egg, is shed. This is day 1 of the menstrual cycle. It usually lasts from 5 to 7 days

Question 25

What happens during ovulation?

Answer 25

Friday seven the lining is preparing itself again and starts to thicken. Ovulation usually takes place on day 14 (middle) The follicle and the ovary birth open releasing the egg

Question 26

What happens during the luteal phase?

Answer 26

1) The egg is moved into the fallopian tubes and moves along the fallopian tubes by Little hair called Cilia pushing it. 2)If the egg fuses with a sperm cell in the over duck the woman may become pregnant. 3)The zygote will divide and continue to move towards the uterus. 4) By day 22 the uterus is ready for the fertilised egg to be implanted

Question 27

What is implantation?(3)

Answer 27

1) the zygote grows and divides to form a ball of cells 2) the ball of cells continues to divide as it moves along the Philippine tubes and into the uterus 3) the ball of salt sinks into the lining and plant itself now it is known as the embryo

Question 28

What is gestation

Answer 28

The period of time from fertilisation to birth

Question 29

How long is human gestation

Answer 29

About 40 weeks

Question 30

When is the embryo called the fetus

Answer 30

After two months

Question 31

How is the fetus attached to the uterus

Answer 31

Via the placenta

Question 32

True or false: the blood of the mother and the fetus mixes

Answer 32

False

Question 33

True or false: the blood of the mother and the fetus never mixes

Answer 33

True

Question 34

What does the placenta allow between the mothers blood and the fetus blood

Answer 34

The exchange of substances

Question 35

What is the placenta?(5)

Answer 35

1) a blood rich organ 2) it is responsible for providing the developing baby with nutrients and oxygen 3) acts is the excretory for the baby 4) remove wet products and CO2 that bulbs up in babies's blood 5) the waste products move back into the Mom's blood and oxygen excreted by her body

Question 36

Where should the placenta be positioned and why?

Answer 36

It should be at a higher position because it is safer for the mum and the baby

Question 38

What are fraternal twins

Answer 38

Twins at develop from two different sets of sperm and eggs. The babies won't look the same

Question 39

What are identical twins?

Answer 39

They developed from the same egg and sperm and will be the same gender and look very similar

Question 40

What is contraception?

Answer 40

The prevention of fertilisation

Question 41

What is infertility

Answer 41

inability to have a baby

Question 42

What is fetal alcohol syndrome?

Answer 42

A birth defect caused by the drinking of alcohol during pregnancy.

Question 43

What are STDs/STI’s?

Answer 43

Viral infections transmitted by sexual partners

Question 44

Examples of STD/STI’s

Answer 44

gonorrhoea, genital herpes, HIV, AIDS, chlamydia