Physical activity is an important component of healthful living. (9 points) a. Contrast a physically active lifestyle with a sedentary lifestyle.

b. Name a short-term consequence of a sedentary lifestyle.

c. Explain how this short-term consequence may lead to a long-term health concern.

Be as specific as possible about the nature of the long-term health concern, and analyze a possible cause of it.

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.

Stuart runs with his brother each morning, and they can only speak one or two words at a time between multiple deep breaths. which best describes their heart rates during this activity? low moderate vigorous dangerous

Bulimia nervosa cannot be prevented, but it can be treated if diagnosed early. true or false?