Writer Choice

40415 respond to one of the critical thinking questions listed below with at least one reference (article name, /can be found through your library access publication, author and date) to get credit for your research discussion posting (five points). Please indicate which question you are responding to in your answer.

1) Human red blood cells or erythrocytes (primarily carriers of oxygen to tissues) are among the smallest in the body. Why is it advantageous that they are so small?
2)Why are fat-soluble toxins more rapidly taken in through diffusion than water-soluble poisons?
3)What diseases and abnormal conditions might a person be more prone to having if an outside chemical immobilized the cilia?
4) Why will cardiac muscle cells have more mitochondria than a typical adult fat cell? Keep in mind that energy is required if one is to move matter about.
5) Leslie boiled a hen’s egg (a cell), placed it in beet juice for some days, and then opened it and saw the red coloration in the egg. Which process is most likely to have taken place: diffusion, active transport, or phagocytosis?