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Page 1

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BIOLOGY
Equipment is sterilised to prevent contamination
Biogas Generators:
Batch, make biogas in small batches, Manually loaded up, left to
digest and by products are cleared away after.
Continuous, make all the time, waste is continuously fed in, biogas
produced at a steady rate, used for large scale projects
Cost,…

Page 2

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BIOLOGY
Cardiac ­ right hand side of heart receives blood from body and brain,
ATRIUM & VENTRICLE, from `vena cava'
R. Atrium into
R. Ventricle, valve snaps shut, contracts, into
Pulmonary ARTERY, flows into lungs for oxygenation, into
Pulmonary VEIN carries oxy blood into
L. Atrium which pumps into
L.…

Page 3

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BIOLOGY




Active transport ^^^

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