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Biology: Unit 1SY (MRS GREN (Respiration, Movement, Sensitivity, Grow,…
Biology: Unit 1SY
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Digestive System
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Alimentary Organ
Small Intestine
A long, highly folded tube where usable food substances are absorbed.
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Photosynthesis
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Why do trees get so big?
As plants grow carbon becomes looked as part of the accumulating plants biomass. In trees, approximately half of the carbon bound in photo synthesis is used for construction of new biomass
Gas Exchange
Gas Exchange
The exchange of oxygen and carbon dioxide between the alveoli and bloodstream(via passive diffusion)
Cell Respiration
series of metabolic processes that take place within a cell, for use in energy-requiring activities of the cell
Ventilation
The exchange of air between the atmosphere and the lungs - achieved by the physical act of breathing
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Systems
Endocrine system
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Slow, but chemical response lasts longer
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