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Science > 1Y: The Digestive System > Flashcards

1Y: The Digestive System Flashcards

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Biology 101 flashcards
1
Q

What is a cell?

A

A cell is the smallest working unit of a living organism.

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2
Q

What is Unicellular?

A

One cell - eg bacteria, mushrooms.

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3
Q

What is Multicellular?

A

Organisms with many cells - eg humans, sheep, cows.

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4
Q

What is Egestion?

A

Getting rid of undisgested food from the body.

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5
Q

What is Tissue?

A

Group of cells working together to carry out a similar function.

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6
Q

What is an Organ?

A

Group of tissues working together to carry out a similar function - eg Animal - heart, lungs; Plant - stem, root.

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7
Q

What is a System?

A

Group of organs working together to carry out a similar function e.g. Animal - disgestive system; Plant - root system.

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8
Q

What is Digestion?

A

Digestion is the break down of large food particles to smaller particles.

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9
Q

Why do we need food? (3)

A

We need food for:

  1. Energy
  2. Growth
  3. Repair
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10
Q

Label the Digestive System?

A

Attached.

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11
Q

What is the function of the Mouth (with teeth)? (3)

A
  • Take in food.
  • Crush food with the teeth.
  • Amylase is added to the food.
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12
Q

What is the function of the Oesophagus?

A
  • Carry/takes food down to the stomach.
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13
Q

What is the function of the Stomach? (2)

A
  1. Churn the food.
  2. Add acid to break down the food.
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14
Q

What is the function of the Small Intestine? (2)

A
  1. Further digestion by enzymes.
  2. Absorption of digested food into the blood.
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15
Q

What is the function of the Large Intestine/Colon? (2)

A
  • Water is absorbed into the blood.
  • The waste left is prepared for egestion.
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16
Q

What is the function of the Salivary glands?

A

Make saliva, which contains an enzyme, amylase, to break starch down to smaller sugars.

17
Q

What is the function of the Liver? (2)

A
  • Produces liquid bile, which helps digest fat.
  • Regulates the amount of each food in the blood.
18
Q

What is the function of the Gall Bladder?

A
  • Stores bile from the liver until it is needed.
19
Q

What is the function of the Pancreas?

A
  • Makes enzymes to break down food.
20
Q

What is Amylase?

A
  • Amylase is an enzyme that breaks starch down to a sugar, maltose.
21
Q

What is an enzyme?

A
  • An enzyme is a chemical, found in living organisms, that speeds up chemical reactions.
22
Q

What is Peristalsis?

A
  • Peristalsis is a muscular movement that only occurs in the muscles of the digestive system. It is used to push the food along the system.
23
Q

What are the four types of teeth?

A
  • Incisors
  • Canines
  • Premolars
  • Molars
24
Q

What is the function of the Incisors?

A
  • Cut and slice food.
25
Q

What is the function of the Canines?

A
  • Grip and tear food.
26
Q

What is the function of the Premolars?

A
  • Chew and grind food.
27
Q

What is the function of the Molars?

A
  • Chew and grind food.

Science (22 decks)

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