the net movement of water from a high water potential to a low water potential across a partially permeable membrane
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How do Carbon dioxide and oxygen move between the alveoli and the blood stream?
by diffusion
2 of 8
what are all the different components of the tissue blood?
plasma, red blood cells, white blood cells and platelets
3 of 8
what are some disadvantage of an artificial heart?
expensive (between £50,000-£100,000), too big for some people, if they malfunction they can cause serious strokes or internal bleeding, short life span, all the risks associated with major surgery
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if arteries become blocked what can be used to keep them open?
stents
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what are the 2 different parts of the double circulatory system?
the systemic and the pulmonary systems
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what do the valves in veins do?
prevent back flow of blood
7 of 8
how does deforestation contribute to global warming?
reducing the number of carbon sinks in the world and also produces carbon dioxide when the wood is burnt
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Other cards in this set
Card 2
Front
How do Carbon dioxide and oxygen move between the alveoli and the blood stream?
Back
by diffusion
Card 3
Front
what are all the different components of the tissue blood?
Back
Card 4
Front
what are some disadvantage of an artificial heart?
Back
Card 5
Front
if arteries become blocked what can be used to keep them open?
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