Immune response to a common cold

Usually the immune is genetic , strong or not strong The common cold is a regular nuisance for most of us. The average healthy adult has two to three colds per year. Cold viruses usually cause mild symptomssuch as sore throat, runny nose, and coughs are quickly removed by the immune system. But for some people, particularly children and older adults with underlying health problems, cold viruses can lead to more severe health problems.

If you get a map and put the countries a states all together it forms all one piece you can also tell because of the earth quakes

The direction a chemical reaction occurs is represented by an arrow