Of the hearts you read about, shrews, whales, and giraffes have hearts that are the most similar to human hearts. Why would you expect that this group is the most similar to each other? Plz help

Chronic illness it is a permanent change ? true/false

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.

Bennett has trouble interacting with other students in school lately. he has become frustrated easily when asked to work in groups, and he has been withdrawing from class discussions. his teacher is worried about his