Which statement BEST describes common communicable diseases? A.
Most communicable diseases are either bacterial or viral and infect the respiratory tract.
B.
All communicable diseases are viruses that cause pneumonia.
C.
Most communicable disease are bacteria and viruses that infect the intestinal tract.
D.
All communicable diseases are bacteria that grow in the respiratory tract.

Increased use of cocaine can reduce the period of stimulation. true or false

What would happen if you ate the number of calories of someone who is much taller and more active than you are?

Life expectancy in the united states is (76.4 for men and 81.1 for women). life expectancy is not the same as healthy life expectancy. healthy life expectancy is the number of years a person is expected to live in this number is obtained by subtracting years spent in poor health from overall life expectancy. the world health organization (who) calculates healthy life expectancy in 194 countries. the united states ranks twenty-ninth in the world using this measurement, with an average of of healthy life expectancy. singapore ranks number one (76 years), and japan is number two (75 years).