3.1 Flashcards

1
Q

What causes diffusion to happen?

A

Brownian movement

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2
Q

What does the “La membrane de la cellule” posess?

A

une perméabilité sélective

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3
Q

What type of membrane is the “La membrane de la cellule”?

A

membrane semi-perméable,

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4
Q

Why is “une perméabilité sélective” in “La membrane de la cellule” important?

A

L’une des
fonctions les plus importantes de la
membrane cellulaire est de
permettre au matériel situé à
l’extérieur de la cellule d’entrer dans
celle-ci.

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5
Q

What are “Les capillaires”?

A

Un type de vaisseaux qui forme un réseau reliant artérioles et veinules. (Connects arteries and veins)

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6
Q

What’s a “veinule”?

A

Blood vessel with co2

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7
Q

What are “poumons”?

A

lungs

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8
Q

What’s a “artérioles”?

A

Blood vessel with oxygen

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9
Q

What are “des
alvéoles.”?

A

They are little packets in the lungs where oxygen is

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10
Q

Which intestine does “villosité” occur?

A

L’intestin grêle.

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11
Q

What surrounds “des
alvéoles.”?

A

Les capillaires

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12
Q

What is “villosité”?

A

Little folds that increase the surface area of the “intestine grele”

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13
Q

How long does food travel in the intestines?

A

6 hours

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14
Q

“L’osmose”

A

la diffusion de molécules d’eau à travers une membrane semi-perméable
qui sépare deux liquides de concentrations différentes.

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