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biology b1 > biology > Flashcards

biology Flashcards

1
Q

what are carbohydrates for

A

energy

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2
Q

what is fat used for

A

energy and insulation

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3
Q

what is protein for

A

growth and repair

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4
Q

eating too many high energy foods causes what

A

type 2 diabetes

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5
Q

what is type 2 diabetes

A

when someone cannot control their level of sugar in their blood

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6
Q

what is the metabolic rate

A

the rate at which chemical reactions are carried out in the cells

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7
Q

what are receptors

A

cells that detect stimuli

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8
Q

what is a nerve impulse

A

an electrical message that passes along a neurone

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9
Q

what is a neurone

A

a nerve cell

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10
Q

what is the central nervous system

A

the brain and spinal cord

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11
Q

what are sensory neurones

A

a nerve cell that transmits nerve impulses to the central nervous system

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12
Q

what is an effector

A

a muscle that carries out the responce

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13
Q

what is a synapse

A

the junction between nerve cells

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14
Q

what is a motor neurone

A

a nerve that caries an impulse from the central nervous system to the effector

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15
Q

what is a reflex action

A

automatic and rapid actions not controlled by the brain

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16
Q

what do antibiotics kill

A

bacteria

17
Q

what do phagocytes do

A

engulf the pathogen

18
Q

what do antitoxins do

A

counteract the poisons released by pathogens

19
Q

what do the arrows in a food chain represent

A

the flow of energy in the food chain

20
Q

what’s another name for the organism at the first trophic level

A

producer

21
Q

where do plants grow towards

A

light and against gravity

22
Q

whats the feature in the double blind trial

A

the doctor and the patient doesnt know if the drug is real

23
Q

what do stimulants do in the body

A

increase the heart rate

24
Q

whats the advantage of using rooting powder

A

the plants grow quicker and in a bigger quantity

biology b1 (1 decks)

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