AOS2: Functioning systems Flashcards

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1
Q

* specialisation and organisation of plant cells into tissues

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2
Q

for specific functions in vascular plants

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3
Q

including intake… of water

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4
Q

movement of water

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5
Q

loss of water

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6
Q

* specialisation and organisation of animal cells into tissues

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7
Q

animal cells into organs

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8
Q

animal cells into systems

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9
Q

with specific functions: digestive,

(5 marks)

A

The mouth begins the process of digestion by breaking food into smaller pieces and exposing it to digestive amylase enzymes contained within the saliva.1
Food travels down the oesophagus to the stomach.2
In the stomach, food is churned and protease enzymes and digestive juices are released.
3
In the small intestine, bile from the liver and gallbladder is secreted, as well as digestive enzymes from the pancreas.4
In the small intestine, the majority of the fat breakdown and continued breakdown of proteins and carbohydrates occurs, before they are all absorbed into the bloodstream.5
In the large intestine, the final water and vitamin absorption occurs before undigested food is turned into faeces and eliminated out the anus

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10
Q

endocrine

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11
Q

and excretory

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