9.1. Which organ systems are most susceptible to oxygen deprivation, and why?
9.2. Nerve transmission is often described as an electrical transmission. In what sense is this true? Is there any transport of electrons, as in electrical current in wires?
9.3. Which will cross the blood-brain barrier more easily: ethanol or chloroform? Which class of hormones will cross most easily?
9.4. How would hydrophobic toxins such as chloroform be carried by the blood?
9.5. Name two organs that both remove and are affected by toxins.
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