Geskiktheid van die dunderm vir vertering Flashcards

1
Q

Waarom kom daar voue in die dunderm voor?

A

Laat die kos stadiger beweeg vir vertering.

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2
Q

Waarom is die kliere in die dunderm effektief vir vertering?

A

Skei ensieme af sowel as alkaliese mukus.

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3
Q

Wat veroorsaak die lengte- en kringspiere?

A

Peristalse en segmentasie.

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4
Q

Wat is peristalse?

A

Die is die voortbeweging van voedsel a.g.v. onwillekeurige spiersametrekkings

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5
Q

Wat is segmentasie?

A

Dit is die opbreek van voedsel in kleiner bolletjies.

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6
Q

Watter funksie het die villi?

A

Kleiner voue op groter voue

Vergroot oppervlak vir vertering.

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7
Q

Wat kom in die submukosa voor?

A

Bloedvate
Limfvate
Kliere
Senuwees

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8
Q

Wat kom in die mukosa voor?

A

Kolomepiteel met bekerselle

Vorm villi.

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