Topic 1 (Lifestyle, Health & Risk)

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Movement of molecules from an area of high concentration to an area of low concentration
Diffusion
1 of 18
Blood travels AWAY from the heart through __________
Arteries
2 of 18
Small arteries
Arterioles
3 of 18
Very small (THIN) blood vessels
Capillaries
4 of 18
Blood travels TOWARDS the heart through _________
Veins
5 of 18
Small veins
Venules
6 of 18
Blood containing oxygen is ___________ _______
Oxygenated blood
7 of 18
Blood not containing oxygen is ____________ _______
Deoxygenated blood
8 of 18
A substance is ________ if it doesn't dissolve in water, is non-polar, and repels water
Hydrophobic
9 of 18
A substance is ____________ if it dissolves easily in water, is polar, and attracts water
Hydrophilic
10 of 18
Walls of a blood vessel contains __________, which makes them strong and durable
Collagen
11 of 18
Blood vessel walls also contain ______ ______ to allow them to stretch
Elastic fibres
12 of 18
Veins contain _________ to help prevent the backflow of blood
Valves
13 of 18
The process during which the heart fills with blood, then pumps it around the body is called the ________ ______
Cardiac Cycle
14 of 18
Because the heart is a muscle, it needs a blood supply - this is supplied through the _________ ________
Coronary Arteries
15 of 18
______________ is a disease which is caused by fatty deposits building up in the blood vessels, and can lead to CHD and strokes
Atherosclerosis
16 of 18
In the blood-clotting process, __________ is the soluble protein converted into thrombin
Prothrombin
17 of 18
Thrombin is an enzyme which catalyses the conversion of fibrinogen (soluble protein) into the insoluble protein __________
Fibrin
18 of 18

Other cards in this set

Card 2

Front

Blood travels AWAY from the heart through __________

Back

Arteries

Card 3

Front

Small arteries

Back

Preview of the front of card 3

Card 4

Front

Very small (THIN) blood vessels

Back

Preview of the front of card 4

Card 5

Front

Blood travels TOWARDS the heart through _________

Back

Preview of the front of card 5
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