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.

What exercise allows you to specify the muscles to be traineda. i sonicb. anaerobicc. isometricd. aerobic

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

Choose thyroid, parathyroid, or the adrenal gland and choose one disease affecting this part of the en-docrine system.