Why does breathing rate increase when you exercise?

You need more oxygen for more aerobic respiration

What does the diaphragm do?

Contracts/Expands to make space for lungs

What path does the air go into the body?

Nose-Trachea-Bronchi-Bronchioles-Alveoli

Which is the correct equation for aerobic respiration?

Glucose + oxygen → water + carbon dioxide

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Revision of Human Body and Respiration KS3

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Basics of the Respiratory System, respiration and circulatory system

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Questions 12

Answers

1
What transfers oxygen to the capillaries (the blood vessels)?
Lungs
Diaphragm
Alveoli
Trachea
2
What is the leading cause of lung cancer?
Car Carbon Dioxide emissions
Second Hand smoke
Smoking
Smog
3
Which part of blood carries nutrients?
Red blood cells
White blood cells
Plasma (mostly water)
Platelets
4
Why does breathing rate increase when you exercise?
You need to get carbon dioxide to muscles faster
You need more carbon dioxide for more respiration
You need more oxygen for more aerobic respiration
You need more oxygen for anaerobic respiration
5
Which chemical in cigarettes is addictive?
Cocaine
Carbon monoxide
Nicotine
Tar
6
Why do boys generally use more energy per day than girls of the same age?
They think more
They have more muscle mass
They work harder
They have more fat
7
How do alveoli allow gases to pass though them easily?
They are full of holes
They have no walls
They have thick walls
They have thin walls
8
What do ciliated cells in the trachea do?
They destroy microbes
They sweep mucus along
They trap mucus
They clean the lungs
9
Which kind of blood vessel is this? (middle bit)
Arteriole
Vein
Capillary
Artery
10
What does the diaphragm do?
Transfers oxygen to the blood
Moves carbon dioxide out of the blood
Contracts/Expands to make space for lungs
Pulls air into the body
11
What path does the air go into the body?
Nose-Alveoli-Bronchioles-Bronchi-Trachea
Nose-Trachea-Bronchi-Bronchioles-Alveoli
Mouth-Alveoli-Trachea-Bronchi-Bronchioles
Mouth-Trachea-Bronchi-Bonchioles-Alveoli
12
Which is the correct equation for aerobic respiration?
Oxygen + water → glucose + energy
Glucose + oxygen → water + carbon dioxide
Glucose + carbon dioxide → water + oxygen
glucose + water → lactic acid + energy

Revision of Human Body and Respiration KS3 Flashcards | StudBud