Adisease that attacks the immune system, leaving a person vulnerable to a host of deadly infections.

Which plan groups foods according to types and indicates how much of each type should be eaten daily for a healthy diet? a. mypyramid plan b. food guide pyramid plan c. dietary guidelines for americans d. dietary pyramid guidelines

Describe the overall function of the nervous system

Cultural, economic , and social changes that resulted in the migration of more people into cities - utilitarianism -industrial revolution -age of enlightenment