Unit 1: Section 4 - Exchange Surfaces and Breathing

Beschreibung

A Levels Biology (Biology Unit 1) Quiz am Unit 1: Section 4 - Exchange Surfaces and Breathing, erstellt von Jessica Phillips am 24/03/2015.
Jessica Phillips
Quiz von Jessica Phillips, aktualisiert more than 1 year ago
Jessica Phillips
Erstellt von Jessica Phillips vor mehr als 9 Jahre
40
2

Zusammenfassung der Ressource

Frage 1

Frage
What is breathing rate?
Antworten
  • 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

Frage 2

Frage
What features do bronchi have?
Antworten
  • Large C-shaped pieces of cartilage
  • Smooth muscle
  • Elastic fibres
  • Goblet cells
  • Ciliated epithelium
  • Smaller pieces of cartilage

Frage 3

Frage
What features do the trachea have?
Antworten
  • Large C-shaped pieces of cartilage
  • Smooth muscle
  • Elastic fibres
  • Goblet cells
  • Ciliated epithelium
  • Smaller pieces of cartilage

Frage 4

Frage
What features do alveoli have?
Antworten
  • Large C-shaped pieces of cartilage
  • Smooth muscle
  • Elastic fibres
  • Goblet cells
  • Ciliated epithelium
  • Smaller pieces of cartilage

Frage 5

Frage
What happens during inspiration?
Antworten
  • 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

Frage 6

Frage
Air always flows from areas of high pressure to areas of low pressure.
Antworten
  • True
  • False

Frage 7

Frage
When using a spirometer, the total volume of gas in the chamber decreases over time.
Antworten
  • True
  • False

Frage 8

Frage
What happens during expiration?
Antworten
  • 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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