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Science > Science Test 6 > Flashcards

Science Test 6 Flashcards

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Biology 101 flashcards
1
Q

Define Mechanical digestion

A

Breaks down food with no chemicals

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2
Q

Define Chemical digestion

A

Breaks down food with chemicals

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3
Q

What are the functions of the mouth?

A

takes in food and breaks it down with both chemical and mechanical digestion.

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4
Q

What is the enzyme contained in saliva?

A

amylase

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5
Q

What is the function of amylase?

A

It breaks starches into sugars

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6
Q

What is the function of the esophagus?

A

Connects your mouth to your stomach.

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7
Q

What is the esophagus lined with?

A

mucus

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8
Q

What is the function of the epiglottis?

A

flap of tissue that covers your wind pipe when you swallow

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9
Q

Define peristalsis

A

muscular contraptions that push your food down your esophagus

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10
Q

What is gastric juice made of?

A

HCL, Pepsin, and Rennin

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11
Q

What is the function of HCL

A

breaks downs minerals and kills bacteria

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12
Q

What is the function of Pepsin

A

breaks downs protein

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13
Q

What is the function of Rennin

A

breaks downs milk protein

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14
Q

Define ULCER (NOT ON TEST)

A

when stomach acids break through the mucus lining protecting the stomach and its painful. Thats the basics. (Answer supplied by Mila no notes just what I remember because this was blank)

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15
Q

True or False: your stomach is the largest organ.

A

FALSE YOUR LIVER IS!!!!

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16
Q

What is the function of the liver?

A

Makes bile

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17
Q

What is the function of bile?

A

breaks down fats and oils, or in other words, lipids

18
Q

What is the function of the gall bladder?

A

It stores the bile

19
Q

What is the function of the bile duct?

A

connects liver to the duodenum

20
Q

Where is bile secreted?

A

duodenum

21
Q

What is the function of the pancreas?

A

makes pancreatic juice

22
Q

What is the function of pancreatic juice?

A

neutralizes stomach acids (and it breaks down all carbohydrates, lipids, and proteins)

23
Q

Where is the pancreatic juice is secreted?

A

duodenum

24
Q

What is the site for the most chemical digestion?

A

Your Small Intestine

25
Q

What is the function of your small intestine?

A

Everything is broken down there, and it absorbs all the nutrients

26
Q

What is the name of the first section of the small intestine?

A

duodenum

27
Q

Why is the duodenum important?

A

It mixes the food with the pancreatic juice and the bile

28
Q

What are proteins broken down into?

A

amino acids

29
Q

What are carbohydrates broken down into?

A

glucose

30
Q

What are fats broken down into?

A

glycerol and fatty acids

31
Q

Define villi

A

the bumps lining the wall of your small intestine

32
Q

What is the function of the villi?

A

Absorbs amino acids, glucose, and fatty acids

33
Q

What is the function of the large intestine?

A

Collects feces and absorbs water from it

34
Q

Define E. Coli.

A

E. Coli. is a bacteria that lives in the large intestines

35
Q

What is the function of E. Coli.?

A

It helps digest food

36
Q

What is the function of the anus?

A

The anus releases feces

37
Q

What causes diarrhea?

A

Feces don’t stay in large intestine for long enough and so not enough water is absorbed

38
Q

What causes constipation?

A

Feces stay in large intestine for too long and too much water is absorbed

39
Q

What is the pathway of food through the digestive system?

A

Mouth ➡️ esophagus ➡️ stomach ➡️ small intestine ➡️ large intestine ➡️ anus

40
Q

Click the link
https://docs.google.com/presentation/d/14W61ERjT4Uk8nfzqkArl3dBry2F0WUpedXbV_d11cxE/edit#slide=id.p

A

Click the link to show real answer.
https://docs.google.com/presentation/d/14W61ERjT4Uk8nfzqkArl3dBry2F0WUpedXbV_d11cxE/edit#slide=id.g2d0a41f5d5d_1_5

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