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2354068
Unit 1: Section 4 - Exchange Surfaces and Breathing
Description
A Levels Biology (Biology Unit 1) Quiz on Unit 1: Section 4 - Exchange Surfaces and Breathing, created by Jessica Phillips on 24/03/2015.
No tags specified
biology
exchange surfaces
breathing
gas exchange
alveoli
lungs
cilia
ventilation
inspiration
expiration
volume
gaseous exchange system
trachea
bronchi
spirometer
biology
biology unit 1
a levels
Quiz by
Jessica Phillips
, updated more than 1 year ago
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Created by
Jessica Phillips
over 9 years ago
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Resource summary
Question 1
Question
What is breathing rate?
Answer
The volume of air in each breath
The maximum volume of air that can be breathed in or out
How many breaths are taken per unit time
The rate at which a person uses up oxygen
Question 2
Question
What features do bronchi have?
Answer
Large C-shaped pieces of cartilage
Smooth muscle
Elastic fibres
Goblet cells
Ciliated epithelium
Smaller pieces of cartilage
Question 3
Question
What features do the trachea have?
Answer
Large C-shaped pieces of cartilage
Smooth muscle
Elastic fibres
Goblet cells
Ciliated epithelium
Smaller pieces of cartilage
Question 4
Question
What features do alveoli have?
Answer
Large C-shaped pieces of cartilage
Smooth muscle
Elastic fibres
Goblet cells
Ciliated epithelium
Smaller pieces of cartilage
Question 5
Question
What happens during inspiration?
Answer
The intercostal and diaphragm muscles contract
The ribcage moves upward and outwards and the diaphragm flattens
The volume in the thorax increases
The lung pressure decreases
Air flows into the lungs
The intercostal and diaphragm muscles relax
The ribcage moves downwards and inwards and the diaphragm becomes curved
The thorax volume decreases
The air pressure increases
Air is forced out of the lungs
Question 6
Question
Air always flows from areas of high pressure to areas of low pressure.
Answer
True
False
Question 7
Question
When using a spirometer, the total volume of gas in the chamber decreases over time.
Answer
True
False
Question 8
Question
What happens during expiration?
Answer
The intercostal and diaphragm muscles contract
The ribcage moves upward and outwards and the diaphragm flattens
The volume in the thorax increases
The lung pressure decreases
Air flows into the lungs
The intercostal and diaphragm muscles relax
The ribcage moves downwards and inwards and the diaphragm becomes curved
The thorax volume decreases
The air pressure increases
Air is forced out of the lungs
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