Human Reproduction

Question 1

Ovaries

Answer 1

Store and releases eggs

Question 2

Fallopian tubes

Answer 2

Carry the egg to the uterus fertilization occurs here

Question 3

Uterus

Answer 3

Is where the fertilized egg becomes implanted and finds nourishment

Question 4

Cervix

Answer 4

Leads from vagina to uterus

Question 5

Vagina

Answer 5

Holds the males penis during sexual intercourse

Question 6

Ovulation

Answer 6

The egg released from ovary every 28 days

Question 7

Menstruation

Answer 7

Uterus becomes thicker and richer in blood vessels to be ready to receive the egg

If the egg is not fertilized by a sperm the thickened uterus lining isn’t needed and breaks away

The lining and a small amount of blood pass out through the vagina (day 1-5) this is called menstruation or a period

Question 8

The fertile period

Answer 8

These are the days of the menstural cycle when the women is most likely to become pregnant
Intercourse 2 or 3 days before,during or after ovulation could lead to fertilization because sperm cells can survive this long

Question 9

Pause to menstrual cycle

Answer 9

If an egg is fertilized,the measured cycle is paused for the duration of pregnancy.The first sign of pregnancy is often that menstruation does not happen

Question 10

Menopause

Answer 10

Signals the end of a females ability to reproduce and also the end of her menstrual cycle. It happens at different ages for different people, typically in the late 40s to the early 50s

Question 11

Testes

Answer 11

They produce sperm

Question 12

Scrotum

Answer 12

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

Question 13

Epididymis

Answer 13

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

Question 14

Vas deferns

Answer 14

(Sperm duct) brings the sperm from the testes to the penis

Question 15

Seminal vesicles, prostate gland and Cowper’s gland

Answer 15

Produce seminal fluid which mixes with sperm to form semen, it nourishes the sperm and allow them to swim

Question 16

Penis

Answer 16

Enters the female and ejaculates semen

Question 17

Puberty

Answer 17

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

Question 18

Male puberty

Answer 18

In males , sex hormones are released causing the voice to deepen,hair grows around the sex organs,face chest and underarms, the testes and

Question 19

Female puberty

Answer 19

In females Gwen 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 till menopause

Question 20

Fertilization

Answer 20

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

The nuclei of the sperm and egg fuse together to form a fertilized egg

The women is now pregnant

Question 21

Embryo

Answer 21

The fertilized egg then divides a number of times and the tiny group of cells moves down the Fallopian tube to the uterus

This group of cells settles into the lining of the uterus and continues to divide to form an embryo

Question 22

Zygote-embryo-foetus

Answer 22

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 23

Pregnancy

Answer 23

The average length of a human pregnancy is 40 weeks

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

Question 24

Umbilical cord

Answer 24

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

Question 25

Placenta

Answer 25

It is here at the placenta that food and oxygen from the mothers blood pass into the baby’s blood

Also wastes such as carbon dioxide pas from the baby’s blood into the mothers

Question 26

Labor

Answer 26

The birth of a baby begins when the uterus muscles start to contract

Question 27

Waters break

Answer 27

The bag of amniotic fluid bursts and further contractions push the baby out the vagina baby out usually head first, through the vagina

Question 28

Umbricail cord

Answer 28

Afterbirth the umbrical cord is cut and the placenta comes out after

Question 29

Lactation

Answer 29

The product of breast milk is called lactation

Question 30

Colostrum

Answer 30

The first three days of milk Is called colostrum very nutritious and helps protect the baby from infections

Question 31

Family planning

Answer 31

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

Question 32

Natural methods of contraception

Answer 32

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

Question 33

Artificial methods of contraception

Answer 33

Prevent the egg and sperm meeting

An example of this is a condom which prevents sperm entering the vagina

Question 34

Artificial methods of contraception

Answer 34

Another example is the contraceptive pill which prevents ovulation

It is important to realize no method is 100% reliable