Levels of organisation Flashcards

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1
Q

what is a tissue

A

cells with a similar function grouped together

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2
Q

what is an organ

A

a collection of several tissues carrying out a function

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3
Q

what is an organ system

A

a job being done by several organs working together ( only in animals)

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4
Q

what are the 7 main organ systems in the body

A

digestive system
gas exchange system
circulatory system
excretory system
nervous system
endocrine system
reproductive system

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5
Q

do plants have organs

A

yes. like roots and leaves

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