Human Reproduction And Genetices

Question 0

The Fallopian tube

Answer 0

Carrys the egg to the uterus fertilisation occurs here

Question 1

Ovaries

Answer 1

Stores and release eggs

Question 2

The uterus (womb)

Answer 2

When the fertilised egg becomes implanted and finds nourishment

Question 3

The cervix

Answer 3

leads from vagina to the uterus

Question 4

The vagina

Answer 4

Holds the male penis durning sexual intercourse form the birth canal during childbirth

Question 5

Gametes

Answer 5

Sex cell

Question 6

Male gamete

Answer 6

Sperm

Question 7

Female gamete

Answer 7

Egg/ovum

Question 8

Ovulation

Answer 8

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

Question 9

Fertile period

Answer 9

The days of the menstrual cycle when the women is most likely to become pregnant (sperm can live in the female 2 or 3 days)

Question 10

Testes

Answer 10

Produce sperm

Question 11

Sperm duct

Answer 11

Brings the sperm from the testes to the penis

Question 12

Glands and vesicles

Answer 12

Produces seminal fluid which mixes with the sperm to form Semen (allows sperm to swim)

Question 13

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 10-15)

Question 15

Puberty (male)

Answer 15

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

Question 16

Puberty (female)

Answer 16

Sex hormones are released the breasts develop, hips widen, and hair grows on the body.

Question 17

Copulation

Answer 17

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

Eggs and sperm fuse to form a single

Question 20

Embryo

Answer 20

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

Question 21

Foetus

Answer 21

After 8 weeks looked like a human

Question 22

Pregnancy

Answer 22

Average length of a human pregnancy is 40 weeks

Question 23

Amniotic fluid

Answer 23

Provides a cushion for the embryo, this bursts during delivery of the baby ‘waters breaking’

Question 24

Umbilical cord

Answer 24

joins the embryo to the placenta

Question 25

Placenta

Answer 25

It is rich in blood vessels it is here that food and oxygen from the mothers blood pas into the baby's blood. Also waste such as carbon dioxide pass from the baby's 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 busting' and further contractions push the baby out usually head first. The umbilical cord is cut and placenta (afterbirth) comes out after.

Question 27

Labour

Answer 27

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 time fertilisation takes place

Question 29

Natural methods of contraception

Answer 29

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

Question 30

Artificial methods of contraception

Answer 30

Prevent the sperms and egg meeting Eg. Condoms which prevent sperm entering the vagina Eg. 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 on, way to avoid pregnancy.

Question 32

Condom

Answer 32

Can prevent pregnancy and prevent the spread of sexually transmitted diseases (STD's) sexually transmitted infections (STI's)

Question 33

Genetics

Answer 33

The study of inheritance of characteristics

Question 34

Chromosome

Answer 34

The nucleus of each sex cell (gamete) contains 23 thread like structure.

Question 35

Genes

Answer 35

Chemicals found on chromosome that pass on information from parent to child

Question 36

Chromosome are made of:

Answer 36

Protein and DNA (genes)

Question 37

DNA

Answer 37

DeoxyribonNucleic Acid

Question 38

Human body cells

Answer 38

23 pairs of chromosome (46 chromosome)