Human Reproduction And Genetics

Question 0

The Fallopian tubes

Answer 0

Carry the egg to the uterus, fertilisation occurs here.

Question 1

Ovaries

Answer 1

Store and release eggs.

Question 2

The Uterus (womb)

Answer 2

Is where the fertilised egg becomes implanted and finds nourishment.

Question 3

The Cervix

Answer 3

Leads from the vagina to the uterus.

Question 4

The Vagina

Answer 4

Holds the male penis during sexual intercourse, forms the birth canal during childbirth.

Question 5

Gamete

Answer 5

Is a sex cell.

Question 6

The male gamete

Answer 6

Is the sperm.

Question 7

The female gamete

Answer 7

Is the egg/ovum.

Question 8

Ovulation

Answer 8

An egg is released from the ovary an average of every 28 days.

Question 9

The fertile period

Answer 9

These are the days of the menstrual cycle when the women is most likely to become pregnant.

Question 10

Testes

Answer 10

Produce sperm

Question 11

Sperm duct

Answer 11

Brings the sperm from the testes to the penis.

Question 12

The glands and vesicles

Answer 12

Produce seminal fluid which mixes with sperm to form semen.

Question 13

The penis

Answer 13

Enters the female and ejaculates semen.

Question 14

Puberty

Answer 14

When the body starts becoming sexually mature (normally happens between the ages of 10 and 15)

Question 15

Puberty in males

Answer 15

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 16

Puberty in females

Answer 16

When the sex hormones (oestrogen and progesterone) are released the breasts develop, hips widen and hair begins to grow on the body.

Question 17

Copulation

Answer 17

Is another name for sexual intercourse.

Question 18

Implantation

Answer 18

Occurs when the fertilised egg lodges itself on the lining of the uterus.

Question 19

Zygote

Answer 19

Egg and sperm fuse to form a single cell.

Question 20

Embryo

Answer 20

Division of the zygote occurs and it grows. Attached to the lining of the uterus (implantation).

Question 21

Foetus

Answer 21

After 8 weeks looks like a human.

Question 22

Pregnancy

Answer 22

The average length of a human pregnancy is 40 weeks.

Question 23

Amniotic fluid

Answer 23

This fluid provides a cushion for embryo, this bursts during the delivery of the baby “water’s breaking.”

Question 24

Umbilical cord

Answer 24

The tube joining the embryo to the placenta.

Question 25

Placenta

Answer 25

Is rich in blood vessels, it is here that food and oxygen from the mothers blood pass into the baby’s blood. Also wastes such as carbon dioxide pass from the baby’s blood into the mothers.

Question 26

Birth

Answer 26

Begins when the uterus muscles start to contract. The bag of amniotic fluid bursts “waters bursting” and further contractions push the baby out usually head first. The umbilical cord is cut and the placenta (afterbirth) comes out after.

Question 27

Labour

Answer 27

The muscles of the uterus contract.

Question 28

Family planning

Answer 28

To control the number of children you have, you need to control the number of times fertilisation takes place.

Question 29

Natural methods of contraception

Answer 29

Aim to detect the day ovulation takes place and avoid intercourse during the fertile period.

Question 30

Artificial methods of contraception

Answer 30

Prevent the sperm and egg meeting. E.g. condom which prevents sperm entering the vagina.
E.g. Contraceptive pill which prevents ovulation.

Question 31

Abstain

Answer 31

It is important to realise no method is 100% reliable, to abstain (to not have sexual intercourse) from sex is the only way to avoid pregnancy.

Question 32

Condoms

Answer 32

Prevent pregnancy and prevents the spread of sexually transmitted (STD’s) or sexually transmitted infections (STI’s).