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Unit 1: Section 4 - Exchange Surfaces and Breathing

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A Levels Biology (Biology Unit 1) Quiz on Unit 1: Section 4 - Exchange Surfaces and Breathing, created by Jessica Phillips on 24/03/2015.
Jessica Phillips
Quiz by Jessica Phillips, updated more than 1 year ago
Jessica Phillips
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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