Unit 5 - Eating, Drinking & Breathing 1 Flashcards

1
Q

the category of food needed for certain body processes e.g. protein

A

food group

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2
Q

a source of nourishment e.g. protein

A

nutrient

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3
Q

the intake of food that provides the correct nutrients in the correct proportions

A

balanced diet

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4
Q

a large molecule made by plants as a form of food storage

A

starch

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5
Q

a sweet tasting compound of carbon, hydrogen, and oxygen – such as glucose or sucrose

A

sugar

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6
Q

a food group important for growth and tissue repair

A

protein

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7
Q

a body tissue that acts as an energy store; a food group

A

fat

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8
Q

the likelihood of a hazard causing harm

A

risk

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9
Q

having the ability to do work

A

energy

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10
Q

the process of living things in which oxygen is used to release the energy in food

A

respiration

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11
Q

a unit of energy equivalent to 1000 joules

A

kilojoule (kJ)

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12
Q

the breakdown of food in order to obtain energy

A

digestion

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13
Q

a group of organs that together enable the digestion of food

A

digestive system

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14
Q

the energy stored in bonds between atoms which becomes available when atoms are rearranged in a chemical reaction

A

chemical energy

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15
Q

the heart and blood vessels that transport essential substances around the body in blood

A

circulatory system

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16
Q

the mechanical breakdown of food in the mouth

A

physical digestion

17
Q

a liquid produced in the mouth that helps swallowing and digestion

A

saliva

18
Q

a substance that enables a chemical process in a living organism

A

enzyme

19
Q

the breakdown of food by enzymes in the digestion system

A

chemical digestion

20
Q

an enzyme that digests starch

A

amylase

21
Q

a substance that speeds up a chemical reaction

A

catalyst

22
Q

the digestive tract or alimentary canal

A

gut

23
Q

all the bacteria in or on the surface of an organism

A

bacterial flora

24
Q

contains helpful bacteria

A

probiotic

25
Q

a drug that kills bacteria

A

antibiotic