General Anatomy and Physiology
Case Studies - Osmosis
These two Case Studies come from a National Center on Case Studies. I think that a case study approach is very useful in applying knowledge and this is what makes you learn it better. They may be a little daunting when you read them but I will help you go through them. Please ask for help so this topic becomes more enjoyable for you. Part I—Too Much of a Good Thing
Times were difficult in Habersham County. The skyrocketing prices of fuel and food were threatening to bankrupt the Johnson family’s small farm, which was no match for the multi-million-dollar mega-farms that had been popping up all over the southeast. Joseph, the family patriarch, was especially troubled by the farm’s financial circumstances. He knew that this year’s corn crop was his best chance to save the farm, and his distress was evident to his family as they sat around the dinner table. “Michael, I’m going to need your help tomorrow,” Joseph said to his eldest son. “I have to go into town to pick up a part for the combine so I can fix it before it’s time to harvest in a few months. I need you to spread the potash and phosphate on the corn because we’re expecting some rain by the end of the week.” Michael, his mouth full of fried chicken, nodded in agreement. He wasn’t all that interested in farming, which over the years had been a point of contention between him and his father. At the moment Michael was thinking more about the time he’d be missing with his friends, but he also realized how vital this chore was to his father and the farm. “I’ll do it right after school, Dad,” he replied. The following afternoon, Michael was loading heavy bags of fertilizer into the drop spreader on the farm tractor. His father’s cheerless demeanor the previous evening weighed heavily on him. Michael knew that 25 bags of the potassium and phosphorous-based fertilizer was the normal load to cover the 40 acres of corn the family had planted that spring. But as...
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