Why are antibiotics unhelpful for treating the common cold? A. Colds are caused by viruses.
B. Antibiotics cannot treat illnesses.
C. Colds are caused by antibiotics.
D. Bacteria are not killed by antibiotics.
SUBM

What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.