Erin McKechnie

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Posts by Erin McKechnie



Within the human body we have 60,000 miles of blood vessels. We have three types of cells in the blood, red, white, and platelets. Red blood cells transport oxygen throughout the body while white blood cells help protect us against infection. Platelets are involved in clotting. When you get a cut your vessels send out signals calling for for platelets and proteins to help in clotting. In addition, white blood cells also come to the rescue. A blood clot is a group of chemicals and cells that work together to stop the flow of blood in a small area. All More >



What do you think of when someone says virus?  Most people would say infection, getting sick, germs, and other negative associations.  Not only are viruses a valuable tool in research, they offer a look into history and also our own bodies.  I’ve recently become a bit obsessed with learning more about them.  Part of it is that I thought I knew more than I did.  There is a huge amout of information just waiting to be uncovered.  Too often we think we know something and it prevents us from learnng more.  Even something simple like having the chicken pox…

I remember More >


Amazing Microbes

Most people associate microorganisms, such as bacteria fungi and protists, with little more than making people sick. While some can create serious problems for us, these amazing creatures deserve more positive attention for their role in how life works. In fact, the number of bacteria cells in and on your body is greater than the number of your own cells. Some of the bacteria, including a type of E.coli in our digestive system, help us by producing vitamins and controlling levels of potentially harmful strains.

The recent sequencing of the panda genome has provided even greater insight into the significance of More >