F211 Module 2: Exchange and transport

Including: exchange surfaces; lungs and lung capacity; transport in animals; structure of the heart and the cardiac cycle; blood vessels; carriage of oxygen and carbon dioxide; transport in plants; xylem and phloem; water uptake; transpiration; xerophytes; translocation.

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  • Created by: Simran
  • Created on: 22-05-10 17:11

1. What substance must lungs produce to reduce cohesive forces between water molecules?

  • Tissue fluid
  • Haemoglobin
  • Surfactant
  • Lignin
  • Smooth muscle
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Other questions in this quiz

2. During inspiration...

  • The diaphragm contracts, external intercostal muscles contract, volume of chest cavity increases, pressure in chest cavity rises above atmospheric pressure, air moves out of lungs.
  • The diaphragm contracts, external intercostal muscles relax, volume of chest cavity decreases, pressure in chest cavity drops below atmospheric pressure, air moves into lungs.
  • The diaphragm relaxes, external intercostal muscles contract, volume of chest cavity increases, pressure in chest cavity rises above atmospheric pressure, air moves into lungs.
  • The diaphragm contracts, external intercostal muscles contract, volume of chest cavity increases, pressure in chest cavity drops below atmospheric pressure, air moves into lungs.
  • The diaphragm relaxes, external intercostal muscles relax, volume of chest cavity decreases, pressure in chest cavity drops below atmospheric pressure, air moves out of lungs.

3. Cartilage allows for the oesophagus to expand during swallowing.

  • True
  • False

4. What is residual volume in terms of lung volume?

  • Volume of air that always remains in the lungs
  • Air in the bronchioles, bronchi and trachea
  • Volume of air moved in and out of the lungs with each breath when at rest
  • Volume of air moved in and out of the lungs with each breath when exercising
  • Largest volume of air that can be moved into and out of the lungs in any one breath

5. What are the three main factors that affect the need for a transport system?

  • Size, surface area to volume ratio, level of activity
  • Level of activity, volume, size
  • Size, volume, surface area
  • Level of activity, surface area, volume
  • Surface area to volume ratio, size, volume

Comments

Jordan Walker

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90% very, very helpful. Thanks

Katie

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This is really good thankyou :D

Simran

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You're welcome, glad it helped :) x

KenZ

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Thanks dude... learnt something :)

Risha

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seriously thanks!... the best so far :) deffo checked my memory

Jessica Hoggins

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Very helpful. Thanks :)

Tay Nguyen

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very good in depth summary quizes :) and i got 100% first go yay

HUNTER BRO

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Good quiz

lauren

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Thankyou very much. Taught me to read the question properly, especially on the Casparian ***** question.

Joe Dobiecki-Davies

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Thanks very much :)

asandi32

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3. Cartilage allows for the oesophagus to expand during swallowing. - not true, the oesophagus has muscles to support it but no anatomical support like cartilage rings. Only the trachea and bronchi have C shaped cartilage rings

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