What is a system? Different parts working together to perform

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Presentation transcript:

What is a system? Different parts working together to perform a function Input and output Processes involved From the dictionary… A functionally related group of elements Examples of systems in human body The nervous system The skeletal system The digestive system

Systems in plants ?

Plant parts and their functions http://www.urbanext.uiuc.edu/gpe/case1/c1facts2a.html Plant parts Growing plants indoor Mystery #1

Photosynthesis INPUT Carbon dioxide Water Sunlight LEAVES From surrounding through stomata Carbon dioxide Water Sunlight roots LEAVES What Process? chlorophyll All parts of plants for respiration or storage To surrounding air through stomata OUTPUT Photosynthesis Food Oxygen

Respiration INPUT Oxygen Food ALL PLANT CELLS What Process? OUTPUT From surrounding air through pores Oxygen Food From leaves ALL PLANT CELLS What Process? OUTPUT To surrounding air through pores Energy Carbon dioxide Water

Transport in Plants Shoot / Stem Two types of tubes Tubes that transport water and dissolved minerals from roots to other plant parts Tubes that transport food/sugar from leaves to other plants parts provides support for the leaves and branches

Transport in Plants Root absorbs water and dissolved mineral nutrients anchors the plant in place stores excess sugars