Human Reproduction

Question 1

Where is sperm made

Answer 1

Testes

Question 2

What is a sperm and a ovum a type of

Answer 2

Cell and gamete

Question 3

What liquid gets ejaculated from the penis

Answer 3

Semen

Question 4

What is the function of Glands

Answer 4

To produce a liquid which is mixed with sperm to produce semen

Question 5

Changes of puberty for boys

Answer 5

Sex organs get a bit bigger

Testes start to produce sperm and hormones

Public hair grows

Hair grows on the face chest armpits

Voice deepens

Behaviour changes

Question 6

Puberty in girls

Answer 6

Ovaries start to release eggs

Ovaries start to produce hormones

Public hair grows

Menstruation starts

Breasts get larger

Behaviour changes

Question 7

How many days is the menstrual cycle

Answer 7

28 days

Question 8

Name the parts of the human reproductive system

Answer 8

Urethra
Glands
Sperm ducts
Testes
Penis

Question 9

Function of urethra

Answer 9

A tube which carries semen through the penis during ejaculation.Urine also passes through the urethra to exit the body

Question 10

Function of glands

Answer 10

Produce liquids that’s mixed with sperm to produce semen

Question 11

Function of testes

Answer 11

Produces sperm and hormones

Question 12

Function of sperm duct

Answer 12

Muscular tube that carries sperm from testis towards the urethra

Question 13

Name the female Reproduction system

Answer 13

Oviducts
Ovaries
Uterus
Cervix
Vagina

Question 14

In the female reproductive system,what is the function of a ovary

Answer 14

The organ that produces ova and hormones

Question 15

Function of the uterus

Answer 15

A muscular organ which is where the offspring will be nourished and kept while Developing

Question 16

Function of the cervix

Answer 16

Keeps the baby in place while pregnant

Question 17

Function of vagina

Answer 17

Where sperm is deposited

Question 18

Day 1 of menstrual cycle

Answer 18

Bleeding from the vagina/lining of the uterus breaks down to the vagina

Question 19

Day 4 of menstrual cycle

Answer 19

Lining of uterus begins to build up again. It thickens into a spongy layer full of blood vessels ready for implantation

Question 20

Day 14 of menstrual cycle

Answer 20

Egg is released from ovaries of the female/day that the woman might be pregnant

Question 21

Day 28 of menstrual cycle

Answer 21

Wall remains thick for the fertilised egg. If not, the lining breaks down passing out of the vagina

Question 22

What happens if the egg is not fertilised

Answer 22

The cycle will restart

Question 23

Why does the lining of the uterus need to be thick

Answer 23

So it has a good blood supply

Question 24

How many chromosomes are there in 1 gamete

Answer 24

23

Question 25

Name the stages of the human reproductive system in order

Answer 25

``` Ovulation Copulation Fertilisation Cell division Implantation ```

Question 26

What happens in ovulation

Answer 26

An egg is released from an ovary around day 14

Question 27

What happens in copulation

Answer 27

Millions of sperm are released from the mans penis into the woman's vagina during intercourse

Question 28

What happens in fertilisation

Answer 28

Egg is fertilised when the nuclei of the egg and sperm join It is now called zygote

Question 29

What happens in cell division

Answer 29

1 day after fertilisation the egg divide into 2 .After about 4 days the egg has divided into 32 cells It is now called an Embryo

Question 30

What happens in Implantation

Answer 30

One week after fertilisation the embryo starts attaches itself into the lining of the uterus .When its completely attached it's called IMPLANTATION

Question 31

When can you call the offspring a zygote

Answer 31

Once an egg is fertilised by a sperm

Question 32

When can you call the offspring an embryo

Answer 32

Once a ball of cells has formed/cell division

Question 33

Where does the placenta form

Answer 33

placenta forms between the embryo and the wall of the uterus.

Question 34

When can we call the embryo a foetus

Answer 34

6 weeks after fertilisation

Question 35

Name the 4 stages of the menstrual cycle

Answer 35

1.Lining of the uterus breaks down 2.Lining of the uterus builds up 3. Egg released 4. Lining of the uterus maintained

Question 36

When does implantation occur

Answer 36

1 week after fertilisation

Question 37

What is gestation

Answer 37

When an embryo develops over about 9 months

Question 38

How do substances go to the foetus

Answer 38

The substances go with the mothers blood then through the placenta

Question 39

At 1 month for the embryo

Answer 39

``` 6mm long Has: Brain Heart Eyes Ears Legs ```

Question 40

At 9 weeks for the body

Answer 40

25mm Completely formed Now called a foetus

Question 41

At 3 months for the foetus

Answer 41

54mm | Looks more like a baby

Question 42

At 5 months for the foetus

Answer 42

160mm | It kicks and finger nails can be felt

Question 43

At 7 months for the foetus

Answer 43

370mm | Now Viable

Question 44

Viable meaning

Answer 44

Has a fair chance of surviving if it were born at this stage

Question 45

At 39 weeks for the baby

Answer 45

520mm | Fully developed and ready to be born