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Question 1

red blood cell purpose

Answer 1

carry oxygen

Question 2

white blood cell purpose

Answer 2

destroy pathogens

Question 3

platelets purpose

Answer 3

clot the blood

Question 4

plasma def

Answer 4

liquid part of the blood

Question 5

what happens in coronary heart disease

Answer 5

layers of fatty material build up blocking the coronary arteries, narrowing them

Question 6

effects of coronary heart disease (2)

Answer 6

lack of oxygen and less respiration

Question 7

stents purpose

Answer 7

keep coronary arteries open

Question 8

statins purpose

Answer 8

reduces chloresterol levels, slowing down deposite of fatty materials

Question 9

what replaces faulty heart valves (2)

Answer 9

biological and mechanical valves

Question 10

treatment for heart failure (2)

Answer 10

artifical heart and heart transplants

Question 11

non comunicable desease def

Answer 11

diseases not transmittable and not caused by pathogens

Question 12

3 examples of non communicable disease

Answer 12

heart cancer, diabetes, cancer

Question 13

risk factors linked with increasing chance of getting disease (4)

Answer 13

Obesity - type 2 diabetes
Smoking - lung cancer?disease
Diet, excersise - cardiovascular
Carcinogens - cancer

Question 14

cancer is caused by…

Answer 14

changes in the cells causing uncontrolled growth and division

Question 15

benign tumours

Answer 15

surrounded by membrane
do not invade other parts of the body

Question 16

malignant tumour cells

Answer 16

cancers and spread to other parts of body forming secondary tumours

Question 17

plant tissues inside the leaf (7)

Answer 17

epidermal tissues, palisade mesophyll, spongy mesophyll, xylem, phloem and stomata surrounded by guard cells

Question 18

how are roots adapted (3)

Answer 18

root hair cells to increase surface area
uptake of water by osmosis
uptake of mineral ions by active transport

Question 19

what does the stomata and the guard cell control in the leaf

Answer 19

gas exchange and water loss

Question 20

describe the phloem transport

Answer 20

translocation - transports dissolved sugar up and down plant

Question 21

describe xylem transport

Answer 21

transportation of water and mineral ions from the roots to the leaves

Question 22

transpiration def

Answer 22

loss of water at leaves by evaporation

Question 23

what are communicable diseases spread by

Answer 23

pathogens

Question 24

what are pathogens

Answer 24

microorganisms that cause disease

Question 25

e.g. of pathogens (4)

Answer 25

bacteria, viruses, fungi, protists

Question 26

how does bacteria make us ill

Answer 26

reproduce inside body and produce toxins

Question 27

how do viruses make us ill

Answer 27

reproduce inside cells and cause damage

Question 28

viral disease examples in animals (2)

Answer 28

hiv and measles

Question 29

viral disease example in plants

Answer 29

tobacco mosaic virus

Question 30

bacterial diseases examples (2)

Answer 30

salmonella and gonorrhoea

Question 31

what is rose black spot disease

Answer 31

fungal disease in plants

Question 32

what is malaria caused by

Answer 32

mosquito acting as protist