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system using everyday items. Identify which part of the human digestive
system each item represents.
food (cereal, juice)
MODEL DIGESTIVE SYSTEM
he
funnel = 1.
smash food up with spoon (chewing)
sandwich bag clips act as 2.
long balloon with end cut off
model peristalsis here
rubber glove = 4.
model churning action
hose = 5.
explain absorption (hard to model)
panthose (tights) = | 6.
3.
squeeze out most of the water here - reabsorption
7.
when the 'food' is solid, open
the
clip and
squeeze out the 'faeces'. Aim for the beaker!