Diseases can be caused by a variety of factors. what factor causes infectious disease?
a. heredity
c. pathogens
b. materials in the environment
d. hemophilia

Which of the following is not a safety rule in strength training

Which step would a state health department most likely take to reduce lead exposure? promote health-planning operations to limit lead exposure at home.evaluate the number of countries affected by lead exposure.create general national guidelines for working with lead.carry out research on the worldwide effects of lead products.

Which of the following is not considered a lymph node function? to house immune cells to transport lymph to filter blood to fight infection