organisation, infection & response, bioenergetics

Question 1

heath is

Answer 1

complete state of mental and physical well being

Question 2

disease is

Answer 2

caused by part of the body not working properly

Question 3

communicable diseases

Answer 3

can spread between organisms

Question 4

non communicable diseases

Answer 4

can’t spread between organisms

Question 5

non communicable risk factors

Answer 5

• aspects of a persons life style

- substances in person’s body or environment

Question 6

benign tumours

Answer 6

do not spread around body

Question 7

malignant

Answer 7

spread blood to different parts of the body to form secondary tumours

Question 8

guard cells

Answer 8

open and close stomata

Question 9

transpiration

Answer 9

loss of water from leaves

Question 10

pathogens

Answer 10

microorganisms that cause communicable diseases

Question 11

pathogens are spread by

Answer 11

• direct contact
• water or air
• vectors

Question 12

vectors=

Answer 12

organisms that carry and pass on pathogens

Question 13

viral diseases

Answer 13

reproduce rapidly in body cells, causing damage

Question 14

bacterial diseases

Answer 14

bacteria may damage cells directly or produce toxins that damage tissue

Question 15

protists

Answer 15

single cell organisms

Question 16

cilia

Answer 16

keeps airways clean of mucus and dirt

Question 17

enzymes (in tears)

Answer 17

destroy microorganisms

Question 18

nose

Answer 18

traps particles that may contain pathogens

Question 19

glands

Answer 19

produce hydrochloric acid which kills bacteria in food

Question 20

immune system

Answer 20

destroys the pathogens that enter the body

Question 21

white blood cells

Answer 21

defend against pathogens

Question 22

vaccination

Answer 22

• dead or inactive forms of pathogens are infected into the body
• stimulating the white blood cells to produce anti bodies in and develop immunity

Question 23

antibiotics

Answer 23

medicine that kill bacteria inside the body

can’t destroy viruses

Question 24

placebo

Answer 24

dummy drug

Question 25

double blind trial

Answer 25

doctors and patients don’t know who has real drug or placebo

Question 26

photosynthesis

Answer 26

carbon dioxide + water —> glucose + oxygen | to balance add 6 infront of all but glucose

Question 27

glucose word equation

Answer 27

C6H1206

Question 28

limit rate of photosynthesis

Answer 28

- light intensity - carbon dioxide concentration - temperature - chlorophyll levels in leaf

Question 29

photosynthesis is a

Answer 29

endothermic reaction

Question 30

photosynthesis practical

Answer 30

bubble count

Question 31

respiration is

Answer 31

exothermic reaction

Question 32

aerobic respiration

Answer 32

glucose + oxygen —> carbon dioxide + water

Question 33

anaerobic respiration (animals)

Answer 33

glucose —> lactic acid

Question 34

anaerobic respiration (plants & yeast)

Answer 34

glucose —> ethanol +carbon dioxide

Question 35

where is lactic acid broke down in?

Answer 35

liver