bio Flashcards

yr8 (43 cards)

1
Q

carbohydrates

A

for storing energy

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2
Q

protein

A

building new cells and muscles

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3
Q

vitamin C

A

to help hold tissues togther

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4
Q

fat

A

as a fuel

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5
Q

calcium

A

bones

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6
Q

3 factors acting upon energy

A

age activity and gender

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6
Q

digestion is..

A

the provess of breaking down large insoluble molecules to smaller soluble molecules

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7
Q

fibre

A

helps w constipation

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7
Q

water

A

dissolves usbtances, lubricnat , cools u down

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8
Q

examples of protein

A

chicken , meat , fish

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9
Q

vitamin A and example

A

skin and sight , carrot

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10
Q

vitamin D

A

Bones ( sun )

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10
Q

nutrition

A

food substances that provides raw material that the body uses

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10
Q

how to test for starch andd postive result

A

idoine test , blue black

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10
Q

how to test for gluecose and postive result

A

benedict , brick red

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11
Q

how to ttets protein and postive result

A

biruet test , purple

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12
Q

how to tets fats and postive

A

ethanol test , seperated

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12
Q

energy balance

A

it is important ti consider the number of calories we eat each day and compare with those we use

12
Q

respiration

A

provess of reducing energy

12
Q

malnutrition

A

eating to much or to little

12
Q

over nutrition leads to

12
Q

iron

12
Q

energy transfer

A

nutrients then celll then energy

12
Q

calcium

12
def\aecation
getting rid of undigested food
12
SMALL INTESTINE
is where moleculels of digetsed food are absorbed
12
iunder nutriion leads to
DEFECIENCY DISEASES
12
Lack of vitamin A
NIGHT BLINDESS ( BAD ETESIGHT IN LOW LIGHT)
12
anemia
IRON DEFICIENCY , DIZZINESS FATGUE
12
kwahiorkor
lack of protein ( large belly)
12
scurvy
vitamin C painful joints
12
RICJETS
VITmin D weak bones
12
excretion
getting rid of waste from the cells
13
microbes
helps in digestion
13
enzyme
a chemical that speeds up the digestion process
13
AMYLASE
digests starch
13
BILE
digests fats
14
lipase
digests lipids
14
protease
digests protein
14
why do we need to digest food
to break down the food into smaller molrcules to be absorbed and used by the body
14
adaptation fo the small intestion to the function of absorption
by having finger like structuyre called villi which increases the surface area therefor increases absopriton
15
WHY DO WE NEED LARGE SURFACE AREA
to allow the food to absorb faster
15
diffuison
the provess from high con to low con