Human Reproduction And Genetics

Question 0

Functions

Answer 0

2⃣The Fallopian tubes carry the eggs to the uterus, fertilisation occurs here

Question 1

Functions of the female reproductive system

Answer 1

1⃣Ovaries store and release eggs

Question 2

Functions

Answer 2

The uterus (womb) is where the fertilised egg becomes implanted and finds nourishment

Question 3

Functions

Answer 3

The Cervix leads from the vagina to the uterus

Question 4

Function

Answer 4

The vagina 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

Fertile period

Answer 9

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

Question 10

Intercourse 2 or 3 days before,

Answer 10

During or after ovulation could lead to fertilisation because sperm cells can survive for this long

Question 11

Testes

Answer 11

Produce sperm

Question 12

The sperm duct

Answer 12

Brings the sperm from the testes to the penis

Question 13

The glands and vesicles

Answer 13

Produce seminal fluid which mixes with sperm to form semen (allows sperm to swim)

Question 14

Penis

Answer 14

Enters the female and ejaculates semen

Question 15

Puberty

Answer 15

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

Question 16

Puberty in males

Answer 16

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 17

Puberty in females

Answer 17

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

Question 18

Copulation

Answer 18

Is another name for sexual intercourse

Question 19

Implantation

Answer 19

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

Question 20

Zygote

Answer 20

Egg and sperm fuse to form a single cell

Question 21

Embryo

Answer 21

Division of the zygote occurs and it grows

Question 22

Foetus

Answer 22

After 8 weeks looks like a human

Question 23

Pregnancy

Answer 23

The average length of a human pregnancy is 40 weeks

Question 24

Amniotic fluid

Answer 24

As the embryo develops in the uterus it is protected inside a bag of fluid called amniotic fluid
The fluid provides a cushion for the embryos

Question 25

Amniotic fluid

Answer 25

The fluid provides a cushion for the embryos

This bursts during delivery of the baby “water breaking”

Question 26

Umbilical cord

Answer 26

Joins the embryo to the placenta

Question 27

Placenta

Answer 27

Is rich in blood vessels
It is here that food and oxygen from the mothers blood into the babies blood
Also wastes such as carbon dioxide pass from the babies blood into the mothers

Question 28

Birth

Answer 28

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 29

Labour

Answer 29

Muscles of the uterus contract

Question 30

Family planning

Answer 30

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

Question 31

Natural methods of contraception

Answer 31

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

Question 32

Artificial methods of contraception

Answer 32

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

Question 33

Abstain

Answer 33

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

Question 34

Condom

Answer 34

Can prevent pregnancy and the spread of sexually transmitted diseases (STD’S) or sexually transmitted infections (STI’S)