Writer Choice

40485
For the lesson discussion, you should submit an original topic responding to one of the critical thinking questions listed below with at least one reference (article name, publication, author and date)

1) Capillaries are vessels only a single cell layer thick. This allows for rapid exchange of oxygen, nutrients, carbon dioxide, and wastes. What specific tissue do you think makes up the capillaries?
2) Oak leaves contain the water-soluble poison tannin. If you rubbed your skin with oak leaves very little is likely to happen to your skin. Why should it not poison you through the skin?
3) The walls of which organ would resist physical wear better: the uterus or the vagina? Please explain the reason for your answer.
4) Several years ago, research into obesity and mortality investigated three factors related to greater obesity: trauma in automobile accidents, heart attacks, and cancer. Using the information from this chapter only, which of the three mortality factors decreased with greater fatty mass and why?
5) Some hostages in Beirut, Lebanon were chained to the floor for months at a time with no chance of exercise. When they were finally freed, why do you think they appeared so weak?