Monday, April 6, 2009

Essay Question for Thursday's Test

You will have multiple choice questions on Thursday's Test for the Circulatory System and Respiratory System and two essay questions. Your essay questions will be:

1. Beginning at an axon at rest, describe the conduction of an impulse through a neuromuscular junction to the contraction of a skeletal muscle.

2. Humans live in a sea of germs protected by three lines of defense.

a. Describe the three lines of defense and how each protects us.
b. Compare and contrast the role of T and B cells.

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