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Science > Digestive System > Flashcards

Digestive System Flashcards

1
Q

What is the digestive system ?

A

The body’s food processing system

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2
Q

Food passes through the organs in order

A 
Mouth
Esophagus 
Stomach
Small intestine 
Large intestine 
Rectum
Anus
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3
Q

Where do u find the vili?

A

In the small intestine

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4
Q

The nutrients in food is absorbed inor the blood stream from?

A

Small intestine

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5
Q

What happened to the unusable materials?

A

It goes into the large intestine to await disposal

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6
Q

The lining of the stomach is protected by?

A

Mucus

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7
Q

T/F?

herbivores have large canines

A

False

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8
Q

What is the chemical that speeds up chemical digestion?

A

Enzymes

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9
Q

What’s important activity takes place in the lungs

A

Oxygen is exchanged for carbondioxide

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10
Q

What’s the purpose or little hairs in the nose

A

To keep dust out of the lungs

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11
Q

What is the diaphragm

A

A sheet of muscle beneath the lungs that is essential for breathing

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12
Q

Fat

A

Lipase

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13
Q

Carbohydrates

A

Amylase

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14
Q

Protein

A

Protease

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15
Q

What organ pumps blood throughout the body

A

The heart

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16
Q

What’s the function of the blood vessels and capillaries

A

They carry blood to all parts of the body

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17
Q

Blood circulation

A 
Right atrium
Right ventricle 
Lungs 
Left atrium
Left ventricle
Body
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18
Q

What’s responsible for healing cuts

A

Platelets

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19
Q

What part has the strong muscular wall

A

Right ventricle

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20
Q

What contains oxygenated blood in an adult human

A

Pulmonary vein

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21
Q

What does the left side of of the heart receive

A

It receives oxygenated blood from the lungs

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22
Q

What are the valves that prevent blood from flowing backward

A

All blood vessels

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23
Q

What does oxygenated blood leaves the human heart via what?

A

The aorta

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24
Q

What happens when an enzymes becomes denatured?

A

It no longer functions

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25
Q

Saliva

A

To break down the foods

26
Q

Epiglottis

A

A flap of skin that stops food from going down your lungs

27
Q

Gall bladder

A

Stores biles

28
Q

Stomach

A

Digests most food

29
Q

Liver

A

Makes bile to break down fats

30
Q

Pancreas

A

Produces enzymes and hormones

31
Q

Large intestine

A

Extracts water from food that cannot be chemically digested

32
Q

What’s a persistalsis

A

Muscles of the esophagus contract in waves and push the food (bolus) into the stomach

33
Q

2 things that blood does

A

Takes waste products away from body cells

Delivers nutrients to the body cells

+nutrients

34
Q

What are 2 types of blood cells

A

White

Red

35
Q

What colour is the liquid part of blood

A

Clear

36
Q

What is the liquid part of blood called

A

Plasma

37
Q

What do platelets do

A

Help seal a wound with blood clots

38
Q

The colour of oxygenated blood

A

Red

39
Q

The colour of deoxygenated blood

A

Red

40
Q

What does the heart do

A

Pumps oxygenated blood around the body and receives deoxygenated blood from the body, pumps the deoxygenated blood from lungs

41
Q

How many chambers are there in the human heart

A

4

42
Q

What are the names of the heart Chambers

A

Left ventricle right ventricle right atrium left atrium

43
Q

What does valves do in the heart

A

Stop blood flowing backwards

44
Q

What side of the heart is larger

explain

A

Left because it pumps blood around the body

45
Q

Which side of the heart pumps blood to lungs

A

Right

46
Q

What size is the human heart

A

1 fist

47
Q

Where does the pulmonary system carry blood to and from

A

Lungs

48
Q

What is the function of the systemic system

A

It carries oxygen and blood away from the heart to the body

49
Q

What is the name of the vessel that carries blood away from the heart

A

Aorta

50
Q

Name two differences between the arteries and veins

A

1 A- carries oxygenated blood to the body

2 V-carries deoxygenated blood to the heart

51
Q

Where do you find capillaries

A

Where veins and arteries are

52
Q

What do you capillaries do

A

Allows the nutrients in the oxygen from the blood to enter cells

53
Q

Explain why the blood goes to the heart twice on this journey around the body

A

Body to lungs

Lungs to body

54
Q

Which two systems work together to provide oxygen to your cells and get rid of carbon dioxide

A

Respiratory system and circulatory system

55
Q

Which to systems work together to process and transport essential nutrients to your cells

A

Digestive system and circulatory system

56
Q

Which two systems work together to provide your cells with the ingredients needed to produce energy

A

Digestive system, respiratory system and circulatory system

57
Q

Explain where in the body you would find the valves shown in the diagram. What is their function?

A

Arteries & veins to stop blood flowing backwards

58
Q

Cellular respiration

A

Glucose oxygen carbon dioxide water energy

59
Q

A waste product

A

Carbon dioxide

60
Q

Processed by the digestive system

A

Use for movement, growth and repair

Science (9 decks)

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