Water and osmotic pressure
Description
Directions for Cells Academic In this assignment you will be asked questions about water and osmotic pressure. Complete the assignment as directed. You may use internet resources to respond but do not, that is not, copy and paste from web sites. Using quotes does not make something your own work. Read from several sources and put things into your own words as you understand it. Anything else is a violation of the academic integrity policy. The directions are posted here as well as on the message board itself. Directions: You may only be faintly aware of the fact that drinking salt water, besides tasting kinda bad, can also be very dangerous. Since we all need to take in water on a daily basis due to daily loss, finding water in an emergency situation is critical when we may have trouble finding water. One of the first priorities in a survival situation is to find water. Food you can do without for some time but without water, dangerous dehydration can set in. However, it’s possible to dehydrate to death even when completely surrounded by water, such as being adrift at sea. (Ever see Tom Hanks in Castaway?) The last thing you’d want to do is start drinking ocean water. In one paragraph summarize what you find online about what happens to your body when you drink sea water. Speaking of salt water, you may have been in the hospital one time for an operation or due to an illness. When admitted to a hospital one of the first thing they’ll do is start an IV line by hooking you up to a little hanging bag of, can you believe it, salt water. If drinking salt water is so bad for you, why does one routinely get an IV of sterile saline when you get sick? Think about what happens to your cells, especially red blood cells, when you’re given a saline solution rather than just plain old sterile water. Write a second paragraph explaining this mystery. Be sure to relate this material to the content in this lesson, particularly the section on osmosis. 1. Described what happens when drinking sea water 2. Described why sterile saline is used in hospital 3. Described what happens to cells in saline
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