Science Random Questions Flashcards

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1
Q

what breaks down sugar

A

insulin

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2
Q

what acid is in our stomach

A

HCL

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3
Q

what are enzymes

A

speed up a reaction without being used up. breaks down food.

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4
Q

what temperature do enzymes work well at

A

37°c

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5
Q

name a enzyme, what it works on and what it changes the thing into

A

substrate: starch
enzyment: amylase
product: maltose

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6
Q

where does the oesophagus bring food

A

to the stomach

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7
Q

what is the muscle movement through your digestive system called

A

peristalsis

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8
Q

what is the stomach

A

muscular bag which can hold up to 2 litres of food. it secretes hcl which kills bacteria and softens food. it makes digestive juices. muscular walls churn food so its all mixed, thus is called chyme.

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9
Q

what is added in the small intestine

A

bile and pancreatic juices

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10
Q

where is digested food absorbed into the blood stream.

A

small intestine

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11
Q

what liquid does the liver produce

A

bile

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12
Q

what does bile do

A

breaks down fat

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13
Q

where is bile stored

A

gall bladder

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14
Q

what does the pancreas do

A

produces digestive enzymes

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15
Q

what does the large intestine do

A

absorbs water into the blood

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16
Q

what gets to the large intestine

A

mainly fibre, dead cell, bacteria and water.

17
Q

what is a solvent

A

a substance that dissolves other substances

18
Q

what is the universal substance

A

water

19
Q

what is a solute

A

a substance that dissolves into a solvent eg. salt, solpadine

20
Q

what is a solution

A

a mixture of a solvent and a solute eg. miwadi

21
Q

what is brine

A

salt + water found in tuna

22
Q

what’s a concentrated solution

A

a solution with a lot of solute and a small amount of solvent eg. ribena

23
Q

what is a dilute solution

A

a solution with with a large amount of solvent and a small amount of solute . eg. a teaspoon of coffee in a bucket of water