Thursday, March 5, 2015

Post 19: March 5,6

Biology:  Describe what an estuary and watershed are.  Also explain each of the zones of a pond or lake. (p443-445)

A and P:  Describe the two physical principles that govern air flow into and out of the lungs.  Also briefly describe the volume and pressure changes responsible for one cycle of inspiration.  (p431-432)

Med Tech:  Describe the excitation and relaxation stages of the MRI procedure in layman's terms.

Physics:  Explain what a ray diagram is and how it can be used to predict what is seen in a mirror.  What are the rules for drawing reference rays?  (p449 and 455)

Astronomy:  Explain what causes the atmosphere to appear blue, the composition of the atmopshere and how it affects the surface temperature of the earth.

Zoology:  Describe 4 characteristics of molluscs.

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