16 Human reproductive system

Question 1

What is sexual reproduction?

Answer 1

It is the type of reproduction, which involves the fusion of the nucleus of the sperm cell and the nucleus of the egg cell

Question 2

What is DNA?

Answer 2

It determines the traits/characteristics of an organism

Question 3

What are traits?

Answer 3

It is characteristics that are determined by DNA, which are inherited from the parent.
Examples, such as height, skin colour, hair colour

Question 4

What is fertilisation?

Answer 4

It is the process where the nucleus of the sperm cell fuses with the nucleus of the egg cell.

Question 5

What is heredity?

Answer 5

It is the passing of genetic materials from one generation to the next.

Question 6

Do family members look identical.

Answer 6

In the family, we can see family resemblance and variation among parents and siblings.
As DNA determined traits, children may show some traits that are similar to their parents.
however, children each have a unique combination of DNA compared to their family members, therefore they do not look identical

Question 7

What is the function of an oviduct?

Answer 7

• It is a tube through which an egg is released from the ovary
• fertilisation usually takes place here

Question 8

What is the function of the ovary?

Answer 8

Produces eggs
Produces female sex hormones that control sexual development in the body.

Question 9

What is the function of the uterus?

Answer 9

A muscular organ where an embryo develops into a foetus during pregnancy
Contains a lining called the uterine lining, which thickens to prepare for implantation and breaks down when no fertilisation occurs.

Question 10

What is the function of the
Cervix?

Answer 10

It is the opening of the uterus
Connects the uterus to the vagina

Question 11

What is the function of the vagina?

Answer 11

Sperm are deposited here
Also known as the birth canal

Question 12

What is the function of the sex glands

Answer 12

Produces nutrient fluid to nourish the sperm

Question 13

What is the function of the sperm duct

Answer 13

Carries sperm from the testes to the urethra

Question 14

What is the function of the urethra

Answer 14

A tube that allows sperm to pass through during ejaculation
Allows for urine to be removed from the body

Question 15

What is the function of the testis

Answer 15

Produces sperm
Produces male sex hormones that control sexual development in the body

Question 16

What is the function of the penis

Answer 16

Deposits semen ( a white liquid made up of nutrient fluid and sperm) into the vagina during ejaculation

Question 17

What is menstruation?

Answer 17

It is when the lining of the uterus and the blood vessels break down and are discharged through the vagina with the unfertilised egg

Question 18

What happens on
1. day 1-5
2. 6-9
of the menstruation cycle?

Answer 18

1. it is when menstruation occurs. The uterine lining and blood vessels break down and are discharged through the vagina with the unfertilised egg.
2. The uterine lining thickens. This process prepares the uterus for implantation of the embryo if fertilization occurs

Question 19

What happens on
1. day 10-15
2. day 14, the name of the process
3. 16- 28
of the menstruation cycle?

Answer 19

1. it is the fertile period
2. one ovary will release an egg into the oviduct. This is known as ovulations
3. The uterine lining continues to thicken if no fertilization occurs. menstruation continues after day 28

Question 20

How long can
1. eggs
2. sperms
survive

Answer 20

1. 1 day
2. 3-5 days