Penny has been participating in a water aerobics class this year for her physical education elective. her heart and lungs are in fantastic shape. what benefit is penny realizing due to this regular participation in her water aerobics class? improved cardiovascular endurance
improved power
increased reaction time
increased speed

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.