Aristotle was known for in early 1900's.? a. pencillin
B X-ray machine
C-1st vaccination
D-neither

Bacteria can cause different infections, check all that apply. a. sore throat b. measles c. ear infection d. flu e. cavities

Exercise has no positive effects on the nervous system? true or falseu

Asap during the past few weeks or months, have you noticed any exercises that have become too easy for you? do you think you need to increase the intensity in any of the three exercise areas in your workouts? evaluate your exercise progress in the three exercise areas (cardiovascular, resistance, and flexibility) and list what modifications, if any, you may need to make in your exercise routine.