Science Doctors test

Question 1

What is a pathogen?

Answer 1

A pathogen is a living thing that can cause a disease. For example, many soar throats are caused by a bacterial pathogen. Diseases can spread when the pathogens are transmitted from person to person.

Question 2

What other ways can diseases spread?

Answer 2

Food

Physical contact

Liquid

Animals

Question 3

How does your body protect yourself from the hostile World?

Answer 3

Nose - contains tiny hairs and mucus to block/trap pathogens.

Immune system - remembers certain bacteria’s so next time it remembers it and reacts way quicker before it spreads.

White blood cells - patrol the body

Question 4

Pathogen

Answer 4

A micro - organism that causes diseases

Question 5

Antigen

Answer 5

Something on the surface of a pathogen that makes our immune system respond.

Question 6

Anti - body

Answer 6

When the body is capable of destroying a pathogen before you catch any symptoms.

Question 7

Phagocytosis

Answer 7

When a white blood cell engulfs and digests a pathogen.

Question 8

Anti - toxin

Answer 8

Neutralises the “poisons” that pathogens produce.

Question 9

Immune

Answer 9

Protein produced by a white blood cell that can attach to specific antigens. They will only work for one type of antigen.

Question 10

Pregnancy

Day 1 - 7

Answer 10

Menstruation

Question 11

Pregnancy

Day 7 - 10

Answer 11

Uterus lining thickens

Question 12

Pregnancy

Day 14

Answer 12

Ovulation and secretions

Question 13

Pregnancy

Day 14 - 28

Answer 13

Uterus lining continuous to thicken.

Question 14

On what day is pregnancy most likely to occur?

Answer 14

Day 19

Question 15

What is the name of the male sex cell?

Answer 15

Sperm cells

Question 16

What is the name of the women sex cells?

Answer 16

Ovum

Question 17

Girls going through puberty don’t smell as bad as boys.

Answer 17

True

Question 18

Girls hips get wider.

Answer 18

True

Question 19

The voice gets deeper for both boys and girls.

Answer 19

True

Question 20

Girls start growing hair on their knees.

Answer 20

True

Question 21

Both boys and girls have growth spurts.

Answer 21

True

Question 22

Changes in girls puberty are caused by a hormone called testosterone?

Answer 22

False, it is called oestrogen

Question 23

Boys voices drop.

Answer 23

True

Question 24

Boys start growing hair on their chins and chest

Answer 24

True

Question 25

Changes in boys during puberty are caused by a hormone called oestrogen?

Answer 25

False, it is called testosterone.

Question 26

Eating lots of fish can cause puberty to start earlier?

Answer 26

False

Question 27

Girls will develop breasts

Answer 27

True

Question 28

Boys penis will get larger?

Answer 28

True

Question 29

Contain egg cells. One egg is released each month.

Answer 29

Ovary

Question 30

Receives sperm during sexual intercourse

Answer 30

Vagina

Question 31

Carry eggs to the uterus

Answer 31

Oviduct

Question 32

Where the baby develops until it is born

Answer 32

Uterus

Question 33

Tube that carries semen out of a mans body

Answer 33

Urethra

Question 34

Ring of muscle at the entrance of the uterus. Keeps the baby in place during pregnancy.

Answer 34

Cervix

Question 35

Tube that carries semen to the penis.

Answer 35

Sperm duct

Question 36

Erect to transfer sperm to the vagina

Answer 36

Penis

Question 37

Produce sperm cells and male sex hormones

Answer 37

Testes

Question 38

Tube that carry urine out of the body

Answer 38

Urethra

Question 39

Contain testes an keep the temperature slightly below body temperature

Answer 39

Scrotum

Question 40

What connects the foetus to the placenta

Answer 40

Umbilical cord

Question 41

What is the scientific word for the womb

Answer 41

Uterus

Question 42

Before a baby is born, it goes through two other stages. One is a embryo and the other is called...

Answer 42

Foetus

Question 43

Amniotic fluid

Answer 43

A fluid that supports the baby as they grow in the womb.

Question 44

Cervix

Answer 44

A ring of muscle that keeps the baby in place while a women is pregnant

Question 45

Placenta

Answer 45

Provides oxygen and nutrients to the baby and removes waste products from the baby's blood.

Question 46

What is the normal length of pregnancy in humans?

Answer 46

40 weeks

Question 47

When the egg is fertilised by a sperm cell they form an embryo. Where does the embryo stop moving and embed itself.

Answer 47

The embryo moves itself from the oviduct to the uterus.

Question 48

How does the baby get oxygen from its mother while it is inside it's mother uterus?

Answer 48

Placenta

Question 49

The mother is joined to the .......... by an organ called the .......... . This is attached to the wall of the .......... and connects to the foetus by the .......... cord.

Answer 49

Foetus Placenta Uterus Umbilical

Question 50

As a foetus grows it receives food and .......... and has its .......... taken away through the umbilical cord and placenta. The foetus is protected in the womb by the .......... .......... , which absorbs bumps and gives the foetus room to move.

Answer 50

Oxygen waste Amniotic fluid/sac move

Question 51

Contraceptives

Answer 51

Prevent the spread of sexually transmitted diseases (STDs) Prevent pregnancy

Question 52

What are 3 basic ways contraceptives work

Answer 52

Use of condoms, block the sperm and stop contact Injections, disable the sperm before they reach the uterus Anti - pregnant pills, supress ovulation

Question 53

Which is the most effective method of contraception

Answer 53

Condoms

Question 54

Which is the least most effective contraceptives

Answer 54

Using your phone to track a women's period monthly

Question 55

If sexually transmitted diseases are spread through contact with bacteria , viruses and fungi (usually through bodily fluid or direct skin to skin contact) what is the only one of these categories of contraceptives that will prevent STDs? Why/

Answer 55

Condoms because they prevent sperm traveling from the penis and entering the vagina. They will prevent pathogens contained in bodily fluids.

Question 56

Explain why a child can look like both parents but is not identical to either of the parents?

Answer 56

Half the DNA comes from the sperm cell and half from the egg cell. The sperm and egg cell contain half of the parents DNA.