8c Flashcards

1
Q

What does aerobic respiration mean

A

Respiration with oxygen

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2
Q

How do we get glucose

A

From carbs in our food

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3
Q

Aerobic resoiration word equation

A

Oxygen + glucose -> carbon dioxide + water + energy

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4
Q

What is ventillation

A

Movement of air in and out of the lungs

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5
Q

What does mucus do

A

Trap dirt dust and microorganisms

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6
Q

What is gas exchange

A

the transfer of oxygen from inhaled air into the blood and the transfer of carbon dioxide from the blood into the exhaled air.

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7
Q

Lungs are adapted for gas exchange by having what

A

700 million little pockets of alveoli

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8
Q

What do fish use for gas exchange

A

The gills

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9
Q

How do plants release energy

A

Aerobic respiration

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10
Q

Why is the stomata needed in plants

A

To allow gases in and out of plants

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11
Q

What is a solution for calcium hydroxide

A

Limewater

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12
Q

You breathe faster after exercise to replace stores of oxygen in the

A

Muscles and blood

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13
Q

When you hold your breath which gas will increase in your blood

A

Carbon dioxide

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14
Q

Dust is prevented from entering the lungs by a layer of mucus which is swept away by

A

The cilia

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15
Q

Difference between combustion and aerobic respiration

A

Combustion is faster

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16
Q

What is released during respiration

17
Q

During gas exchange in the lungs there is an overral diffusion of

A

Carbon dioxide into the lung and oxygen into the blood

18
Q

During inhilation what do the rib and diaphragm do

A

Contract to reduce the pressure inside the lungs

19
Q

How is carbon dioxide transported around the body

A

Dissovled in the plasma

20
Q

When carbon dioxide is added in limewater what happens

A

It turns from clear to cloudy

21
Q

Which substance in anaerobic respiration in humans produce

A

Lactic acid

22
Q

Anaerobic respiration happens when

A

There is a lack of oxygen

23
Q

Lactic acid is turned back into glucose mainly in the

24
Q

One cause of epoc is

A

to replace stores of oxygen in the body

25
Alveol
A small pocket in the lungs which gas is exchanged between the air and the blood
26
Gas exchange meaning
When a gas is exchanged
27
What is haemoglobin
The substance that carries oxygen in the red blood cells
28
Stomata
A tiny hole in the leaf which gases can diffuse into and out of the leaf
29
Anaerobic respiration
Does not require oxygen
30
Which resoiration releases more energy
Aerobic
31
Ways to gas exchange in fish?frogs?plants?humans?
1. Gills 2. Skin 3. Stomata 4. Lungs
32
What does nicotine do
Makes arteries narrower
33
What does tar do
Can cause alveoli to break apart and reduces surface area
34
High temperature of smoking
Stops the cilia working on lungs so lungs become dirty and mucus enters the lungs