All of the following are functions of smooth muscles except:
a. heartbeat
b. breathing
c. perspiration
d. digestion

It's good to be in positive energy balance when you're  a.  a fully grown adult in good health.    b.  trying to deal with stress.    c.  recovering from the flu.    d.  beginning an exercise program

Which of the following processes within viral replication is the greatest source of genetic variation in rna virus populations? a) high mutation rate due to lack of proofreading of rna genome replication errors. b) transcription from the host cell rna polymerase introduces numerous mutations. c) capsid proteins from the host cell can replace the viral capsid. d) viral rna is translated by host cell ribosomes.

Megan is 16 years old and overweight. she loves junk food and chocolate. a 10 minute walk to school is her only exercise every day. which is the best method to megan lose weight