Mixture

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How do you work out the relative formula mass?
To find the relative formula mass (Mr) of a compound, you just add together the Ar values for all the atoms in its formula.
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What does the blood consist of?
Plasma,red cells,white cells and platelets
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What does the red blood cells do?
Red blood cells carry oxygen around the body in heamoglobin cells.
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What do the white blood cells do?
They help to fight of bacteria and help from diseases.
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What does the plasma do?
The plasma is the liquid part of the blood that carries hormones,nutrient and waste substances such as co2 around the body.
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What is digestion?
Digestion is the breakdown of large molecules into smaller, soluble molecules that can be absorbed into the body.
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What is peristalisis?
This is the contractions of two sets of muscles in the walls of the gut.It is how food is moved through the body
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What does amylase do?
Amylase catalyses the breakdown of starch into sugars in the mouth and small intestine
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What does protease do?
Proteases catalyse the breakdown of proteins into amino acids in the stomach and small intestine
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What does lipase do?
Lipases catalyse the breakdown of fats and oils into fatty acids and glycerol in the small intestine
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What does bile do?
Bile is an alkaline substance produced by the liver and stored in the gall bladder. It is secreted into the small intestine, where it emulsifies fats.
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What does vili do?
These stick out and give a big surface area. They also contain blood capillaries to carry away the absorbed food molecules.
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Card 2

Front

What does the blood consist of?

Back

Plasma,red cells,white cells and platelets

Card 3

Front

What does the red blood cells do?

Back

Preview of the front of card 3

Card 4

Front

What do the white blood cells do?

Back

Preview of the front of card 4

Card 5

Front

What does the plasma do?

Back

Preview of the front of card 5
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