Answer is: <span>the presence of memory cells, that are protective in case of reexposure to the disease.
Memory cells </span><span>recognize </span>bacteria, viruses that was previously in human body.<span>
</span>Memory cells are important because immune system has<span> faster and stronger </span>immune response<span> than the first time pathogen enter into the human body.</span>
<span>both sausage-making and the legislative process are difficult, but produce results pleasing to citizens.</span>
The US Constitution established the Federal system of government. The best way to describe the Federal system of government is that it is a shared power of government between the nation and the states. Sorry its late. Have a nice day.
Gender and development (GAD) Theoretical approach. The Gender and Development (GAD) approach focuses on the socially constructed differences between men and women, the need to challenge existing gender roles and relations, and the creation and effects of class differences on development.