Organismal Systems and Resource Acquisition · Human Systems

Gas Exchange and Transport in Animals

Examining the respiratory and circulatory systems that allow for the efficient delivery of oxygen and removal of carbon dioxide.

Key Questions

  1. 1How does the surface area to volume ratio limit the maximum size of a single cell?
  2. 2Why have different animal lineages evolved distinct solutions for gas exchange such as gills vs lungs?
  3. 3How do the physical properties of blood allow it to transport diverse materials simultaneously?

ACARA Content Descriptions

AC9S11U06
Year: Year 11
Subject: Biology
Unit: Organismal Systems and Resource Acquisition
Period: Human Systems

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