The Action Potential Graphics are used with permission of: Pearson Education Inc.‚ publishing as Benjamin Cummings (http://www.aw-bc.com) ** If this is not printed in color‚ it is suggested you color code the ion channels and ions as you go through this topic. Ions channels and ions should be color coded as follows: Red: Sodium ion channels and sodium ions Blue: Potassium ion channels and potassium ions Page 1. Introduction • Neurons communicate over
Premium Action potential Neuron Axon
Deionized Water vs. Distilled Water Deionized and distilled waters are both processed forms of water. Deionized water is produced by filtering water to the point where it is free of ions. This ion-free water will strip ions from surrounding material‚ acting like a super-solvent. This is often used in semiconductor and other high-tech processing as a "soft" solvent and relatively cheap cleaning fluid. Distilled water is most often produced by vaporizing less pure source water (tap‚ salt or even
Premium Water
Source for Tap vs Bottled water http://responsibility-project.libertymutual.com/blog/the-bottle-vs-tap-debate-revs-up?src=keyword_s=ggl_K=tap%20water_C=Responsibility_G=BottleVsTap_Water_M=b&K_CLICKID=32f700e1-f23a-6529-9a6d-00001206db72#fbid=OQta-fwSm5-&src=keyword_s http://scienceblogs.com/gregladen/2008/06/30/do-you-drink-bottled-water/ http://voices.yahoo.com/cokes-dasani-pepsis-aquafina-not-pure-spring-water-474872.html?cat=69 http://www.health.state.mn.us/divs/eh/water/factsheet/com/bottledwater
Premium Bottled water Drinking water United States
Salt Water or Fresh Water‚ Which Would You Prefer? Many people wonder‚ what big differences are between salt water and fresh water? Is it just water with salt versus water without salt? Those are some common questions people have. Most people ask about the differences‚ but they forget about the similarities of salt water and fresh water‚ as well. Did you know that Salt water and fresh water have very different plant and animal life? There are also a few complex fish that can live in both
Premium Water
Tap Water Vs Bottle Water Tap Water: Tap water is the most efficient water available. Unfortunately‚ it is also vulnerable to occasional contamination. This is usually locally due to damaged pipes. This type of problem can be fixed in a timely manner. For the most part‚ the water is not much different from bottled water. It can be consumed directly from the pipes without harm. Even when the water is contaminated it is usually not fatal. Water pipes efficiently carry water across the nation as
Premium Mineral water Recycling Bottled water
Conserving water can greatly limit the negative impact we have on the environment. By thinking conscientiously and creatively‚ we can make sure that everyone has enough water‚ while also minimizing the energy we use to bring it to our faucet or garden hose. Plus‚ using water wisely can lower many water bills. At Urban Times‚ it has been high on our agenda to bring more awareness to the increasing scarcity of water. This infographic‚ brought to us by Seametrics‚ illustrates that our water consumption is
Premium Water Water resources Water supply
property of water is that it is an excellent solvent. This is because of the chemical composition and physical attributes of water. Since water is polar‚ it allows water molecules to become attracted to different molecules. The attraction can be so powerful that it can disrupt the attractive forces of the different molecules. For example‚ water can be heavily attracted to salt that it can disrupt the forces that hold sodium and chloride‚ therefore dissolving it. The second property of water is its high
Premium Water Oxygen Hydrogen
Water Crisis and Water Management in Pakistan 1- Introduction Water plays a vital role in a country’s economy. Water has been critical to the making of human history. The earliest agricultural communities emerged where crops could be cultivated with dependable rainfall and perennial rivers. Simple irrigation canals permitted greater crop production and longer growing seasons in dry areas. Some of the problems faced by the world population are as below. • More than a billion people lack access
Premium Water Water supply Irrigation
WATER Conservation INTRODUCTION: Water is essential for life on earth. Water is needed for growing food‚ keeping ourselves clean‚ generating power‚ controlling fire and most importantly to stay alive! This list is simply non-ending. This shows that water is an integral part of our daily life and we are heavily dependent on it. Water conservation: Refers to reducing the usage of water and recycling of waste water for different purposes such as cleaning‚ manufacturing‚ and agricultural irrigation
Premium Water
The Action Potential An action potential‚ also called a spike‚ nerve impulse‚ and discharge‚ is the rapid reversal of charge of the cell membrane. These changes in charge occur within milliseconds‚ meaning the action potential travels very quickly down the axon in order to convey information over long distances. This transfer of information occurs within six phases and requires the presence of multiple pumps and channels embedded in the membrane to control ion concentration. Phase 1: The Resting
Premium Action potential