The measure of how efficiently your heart delivers oxygen rich blood to your muscles while exceriseing is called fitness

How much serem is need to make kids?

Discuss lexy's path to anorexia by putting the events that let to her anorexia in sequential order.

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.