Human Reproductive System And Genetics

Question 1

Testes

Answer 1

The testes produce sperm

Question 2

Scrotum

Answer 2

The scrotum is where the testes are , it is located outside the body to ensure the temperature is lower than body temperature for healthy sperm

Question 3

Epididymis

Answer 3

The epididymis is a coiled tube on the outside of each testis that stores sperm and allows them to mature fully

Question 4

Vas deferents

Answer 4

The vast majority of deferents ( sperm duct ) brings the sperm from the testes to the penis

Question 5

Puberty

Answer 5

Puberty describes when the body starts
becoming sexually mature (reproductive
organs develop). It normally happens
between the ages of 10 and 16

Question 6

Male puberty

Answer 6

Male puberty: In males, sex hormones
(testosterone) are released causing the
voice to deepen, hair grows around the
sex organs, face, chest and underarms,
the testes and penis grow bigger and start
to produce sperm

Question 7

Female puberty

Answer 7

Female puberty: In females when the sex
hormones (oestrogen and progesterone)
are released the breasts develop, hips
widen, and hair begins to grow on the
body
• The first egg is released from the ovaries
which leads to the first period occurring
• An egg will be released every month until
the menopause

Question 8

During intercourse the man’s

Answer 8

During intercourse the man’s penis fills
with blood and becomes hard enough to
be placed inside the woman’s vagina

Question 9

Semen

Answer 9

A mixture of sperm cells and seminal fluid
called semen is released into the vagina

Question 10

The sperm swim

Answer 10

The sperm swim up the uterus and into
the fallopian tubes

Question 11

Fertilisation

Answer 11

Fertilisation: If an egg is present in the
fallopian tube, and a couple have sexual
intercourse, then one of the sperm cells
may fuse with it

Question 12

Fertilised egg

Answer 12

The nuclei of the sperm and egg fuse
together to form a fertilised egg
• The woman is now pregnant

Question 13

Zygote → Embryo → Foetus

Answer 13

• Egg and sperm fuse to form a single
• → Zygote
• Cell division occurs and growth
• → Embryo, which attaches to the lining of
the uterus (implantation) grows more, and
after 8 weeks looks like a human
• →Foetus

Question 14

Amniotic fluid

Answer 14

As the embryo develops in the uterus it is
protected inside a bag of fluid called
amniotic fluid

Question 15

Umbilical cord

Answer 15

• A tube called the umbilical cord joins the
embryo to the placenta

Question 16

Labour

Answer 16

The birth of a baby begins when the uterus
muscles start to contract
• This is called labo

Question 17

Waters break

Answer 17

The bag of amniotic fluid bursts “waters
break” and further contractions push the
baby out usually head first, through the
vagi

Question 18

Afterbirth

Answer 18

The umbilical cord is cut and the placenta
(afterbirth) comes out aft

Question 19

46 chromosomes

Answer 19

When an egg and
sperm cell fuse (each has 23
chromosomes) they give the individual
they are creating 46 chromosomes
• One set comes from the mother the other
from the father

Question 20

Inheritable characteristics

Answer 20

Many
physical characteristics such as eye colour
and shape of ears were inherited from
your parents