Carbon Dioxide

The Respiratory and Circulatory System (2002)

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In this informative program, students explore two key body systems: the respiratory and circulatory systems. Beginning with the respiratory system, the complex process of breathing is explored.

Grade Level: 
Elementary
Middle
Length: 
00:15
The Respiratory and Circulatory System

The Plants Series (2002)

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This DVD contains 4 - 20 minute videos:

Plants in our Lives
The terminology and concepts discussed include: algae, angiosperms, gymnosperms, bryophytes, cell wall, chlorophyll, photosynthesis, vascular, and non-vascular.

Grade Level: 
Middle
Length: 
01:20
The Plants Series