The function of the heart and blood vessels that supplies oxygen and nutrients to the entire body is known as: A. cardiopulmonary circulation.
O B. transportation.
C. pumping mechanism.
O
D. systemic circulation.

Will treating a viral infection with antibiotics affect the course of the infection? a) no; antibiotics work by inhibiting enzymes specific to bacteria. antibiotics have no effect on eukaryotic or virally encoded enzymes.b) no; antibiotics do not kill viruses because viruses do not have dna or rna.c) yes; antibiotics activate the immune system, and this decreases the severity of the infection. d) yes; antibiotics can prevent viral entry into the cell by binding to host-receptor proteins.