Human Repoduction And Genetics

Question 1

Ovaries

Answer 1

Ovaries store and release eggs

Question 2

Fallopian tubes

Answer 2

The Fallopian tubes carry the egg to the uterus fertilisation occurs here

Question 3

Uterus

Answer 3

The uterus(womb) is where the fertilised egg becomes Inplanted and finds nourishments

Question 4

Cervix

Answer 4

The cervix leads from the vagina to the uterus

Question 5

Vagina

Answer 5

The vagina holds the make penis during sexual intercourse

Question 6

Ovulation

Answer 6

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

Question 7

The egg is released

Answer 7

On day 13-15of the menstrual cycle and it passes along the Fallopian tube to the uterus

Question 8

Period

Answer 8

The lining and a small amount of blood pass out through the vagina(1-5)

Question 9

Menopause

Answer 9

When a woman is at the end of there menstrual cycle and can’t produce anymore happens at around age 50

Question 10

Testes

Answer 10

The testes produce sperm

Question 11

Scrotum

Answer 11

The scrotum is where the testes are it is located outside the body to ensure the tempatures is
For healthy sperm

Question 12

Epididymis

Answer 12

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

Question 13

Vas deferans

Answer 13

The vas deferans brings the sperm from the testes to the penis

Question 14

Seminal vesicles, prostate gland, and Cowper’s gland

Answer 14

Seminal vesicles, prostate gland, and Cowper’s gland produce seminal fluid which mixes with sperm to form semen it nourishes the sperm and allow them to swim

Question 15

Penis

Answer 15

The penis enters the female and ejaculates seamen

Question 16

Puberty

Answer 16

Puberty describes when the body starts becoming sexually mature it normally happens between the ages of 10 and 16

Question 17

Make puberty

Answer 17

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

Question 18

Female puberty

Answer 18

In females when the sex hormones are released the breasts develop , hips widen and hair begins to grow on the body

Question 19

During intercourse the mans

Answer 19

Penis fills with blood and becomes hard enough to be placed inside the womens vagina

Question 20

Semen

Answer 20

A mixture of sperm cells seminal fluid is released into the vagina during intercourse

Question 21

The sperm swim

Answer 21

Up the uterus and into the Fallopian tubes

Question 22

Fertilisation

Answer 22

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 23

Fertilised egg

Answer 23

The nuclei of the sperm and egg fuse together.the woman is now pregnant

Question 24

Zygote-embryo-foetus

Question 25

Zygote

Answer 25

Egg and sperm fuse to form a single zygote

Question 26

Embryo

Answer 26

Cell division occurs and growth

Question 27

Foetus

Answer 27

Which attaches to the lining of the uterus(implantation) grows more and after 8 weeks looks like a human

Question 28

Implantation

Answer 28

When the embryo attaches to the lining of the uterus

Question 29

Length of pregnancy

Answer 29

The average length of human pregnancy is 40 weeks

Question 30

Amniotic fluid

Answer 30

As the embryo develops in the uterus it is protected inside a bag of fluid.this fluid provides a cushion for the embryo

Question 31

Umbilical cord

Answer 31

A tube joining the embryo to the placenta

Question 32

Placenta

Answer 32

Is rich in vessels , that food and oxygen from the mothers blood pass into the baby’s blood

Question 33

Labour

Answer 33

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

Question 34

Water breaks

Answer 34

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

Question 35

Lactation

Answer 35

The production of breast milk

Question 36

Colostrum

Answer 36

The first three days of milk very nutritious and helps protect the baby from infection

Question 37

Family planning

Answer 37

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

Question 38

Natural methods of contraception

Answer 38

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

Question 39

Artificial methods of contraception

Answer 39

Prevent the sperm and egg meeting

Question 40

Condom

Answer 40

Prevents sperm entering the vagina

Question 41

Contraceptive pill

Answer 41

Which prevents ovulation

Question 42

Reliability of contraception

Answer 42

It is important to realise no method is 100% reliable

Question 43

Inheritable characteristics

Answer 43

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

Question 44

Chromosomes

Answer 44

The nucleus of each sex cell contains 23 thread like structures called chromosomes

Question 45

Chromosomes r made of

Answer 45

Protein and DNA. These chromosomes carry genes

Question 46

DNA

Answer 46

Depxyribonucleic acid

Question 47

Genes

Answer 47

Are chemicals found on chromosomes that pass on information from parents to children

Question 48

Biodiversity

Answer 48

There are many different types of living things

Question 49

Fossils

Answer 49

The remains of very ancient living things

Question 50

Extinct

Answer 50

Some living things dissappear

Question 51

Natural selection

Answer 51

How the variety of living things may have arisen the most widely accepted explanation based on evidence is the theory of evolution by natural selection

Question 52

Species

Answer 52

A group of living things that can reproduce together to produce offspring which themselves can reproduce