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Science > Respiration > Flashcards

Respiration Flashcards

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0
Q

The diaphragm muscle contracts and ………….

A

Moves down

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1
Q

Bell jar experiment inflate

A 
Rubber sheet pulled down
Increases volume in bell jar
Cause pressure of air in bell jar decrease 
Air move from high to low pressure
Air enter balloon
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2
Q

The rib muscles contract and the rib cage ……….

A

Expands (it moves up and out)

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3
Q

Bell jar experiment - exhale

A 
The sheet pushed up
Pressure of bell jar increase
Volume of bell jar decrease
Air move high to low pressure
Air leaves balloons
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4
Q

The chest is bigger so the air pressure in the lungs will be

A

Low

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5
Q

The diaphragm muscle relaxes and

A

Moves up

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6
Q

The rib muscles relax and the rib cage

A

Contracts

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7
Q

The chest is smaller so the air pressure in the lungs will be

A

High

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8
Q

What do you use in the smoking machine

A 
Cigarette 
Air bleed
Cotton wool
U tube
Vacuum pump
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9
Q

Right side of heart is

A

Deoxygenated blood

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10
Q

Left side of heart is

A

Oxygenated blood

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11
Q

Arteries take blood…….. From the heart

A

Away

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12
Q

Veins take blood ………. the heart

A

To

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13
Q

Name the four chambers in the heart

A

Left atrium, right atrium, left ventrical, right ventrical

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14
Q

Which chamber has the thinnest walls

A

The atrium

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15
Q

Which chamber has the thickest walls

A

Ventricle (left)

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16
Q

Why does the left ventricle need thick walls

A

To pump blood around the body

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17
Q

What do valves do

A

Stop the back flow of blood

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18
Q

Which type of blood vessel carry blood to the heart

A

Veins always carry to the heart

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19
Q

Which type of blood vessels carries blood away from the heart

A

Arteries

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20
Q

Arteries usually carry oxygenated blood. Which artery is an exception to this

A

Pulminary artery

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21
Q

Which vein is different

A

The Pulminary vein

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22
Q

What is the coronary artery and what happens if it becomes blocked

A

It provides oxygen to the heart muscle and if blacked will cause a heart attack

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23
Q

What is respiration and where does it take place

A

Energy from glucose in the muscles

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24
Q

Respiration when the body is at rest

A

Aerobic

25
Q

As you excersise you breathe harder and harder and deeper and the heart beats ……. To get ……….. To the muscles

A

Faster

Oxygen

26
Q

When excersising very hard, the ……… Cannot get enough oxygen to the muscles

A

Heart

27
Q

What is anaerobic respiration

A

When excersising very hard, the heart cannot get enough oxygen the muscles

28
Q

What is the equation for anaerobic respiration in muscle

A

Glucose -> lactic acid + energy

29
Q

Which type of respiration releases more energy

A

Aerobic

30
Q

Equation for anaerobic respiration in yeast

A

Glucose -> ethanol + carbon dioxide + energy

31
Q

Why is lactic acid harmful

A

It’s toxic

32
Q

What effect does lactic acid have on the body

A

It builds up in your body

33
Q

What respires

A

All living things

34
Q

How is oxygen used in respiration

A

It is used up

35
Q

What is glucose in respiration

A

Used up

36
Q

What is carbon dioxide in respiration

A

Produced

37
Q

What is water in respiration

A

Produced

38
Q

What is the purpose of respiration

A

To produce energy

39
Q

What is respiration

A

A chemical reaction in all cells

40
Q

Is breathing and respiration the same

A

No

41
Q

Equation for respiration

A

Oxygen + glucose -> carbon dioxide + water + energy

42
Q

respiration

A 
Need oxygen
Need fuel
Produce carbon dioxide and water as waste
Energy released
Take place in cells
43
Q

Network of capillaries

A

Gases can easily pass through blood

44
Q

What is present in breathing out

A

Greater quantity
Water vapour
Carbon dioxide

45
Q

Present in breathing in

A

Oxygen

Smaller quantity

46
Q

Exhaled air has a ……… temperature then air we breathe in because …….. .in the form of ……….. is ………… in respiration

A

Higher
Energy
Heat
Released

47
Q

Oxygen enters the blood in the …….

A

Body cells

48
Q

Carbon dioxide enters the blood in

A

Body cells

49
Q

Oxygen leaves the blood in the

A

Body cells

50
Q

Carbon dioxide leaves the blood in the

A

Lungs

51
Q

We breathe faster why?

A

Because respiration is happening at a faster rate and more heat is given off

52
Q

During intensenphysical activity what happens?

A

The blood cannot supply enough oxygen for the cells’ needs so you get anaerobic respiration

53
Q

Our heart beats faster

A

In order to take in oxygen more quickly

54
Q

We feel hotter.

A

In order to take oxygen to the cells more quickly

55
Q

What is the same about plant and animal respiration

A 
Oxygen is used up
Breathe with lungs
Give out water vapour
Give out heat as respire
Blood to carry oxygen
56
Q

Step 1-4

A
  • The diaphragm muscle contracts and moves down
  • The rib muscles contract and the rib cage expands (moves up and out)
  • the chest is bigger so the air pressure in the lungs will be reduced
  • air enters the lungs
57
Q

Steps 1-4 exhaling

A
  • The diaphragm relaxes and moves up
  • the rib cage muscles relax and the rib cage gets smaller (down and in)
  • the chest is smaller so the air pressure in the lungs will be higher
  • air leaves the lungs
58
Q

Bell jar exhaling

A
  • the rubber sheet is pushed up
  • this decreases the volume inside the bell jar
  • the pressure inside the bell jar increases
  • air moves from high pressure to low pressure
  • so air leaves the balloon
59
Q

When exercising why do we breath faster

A

In order to take in oxygen more quickly

60
Q

In excersise why do our hearts beat faster

A

In order to take oxygen to the cells more quickly

61
Q

Why in excersise do we feel hotter

A

Because respiration is happening at a faster rate and more heat is given off

Science (13 decks)

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