An oxygen deficit occurs 1 when you are breathing faster than you need to 2 during the middle of an exercise work out 3 when you stop cardiovascular exercise 4 when you start cardiovascular exercise.

What is the difference between a license and a certificate in the healthcare system? a. a certificate grants the freedom to practice, while a license only confirms professional qualifications. b. a license grants the freedom to practice, while a certificate only confirms professional qualifications. c. medical doctors receive licenses, and nurses receive certificates. d. medical doctors receive certificates, and nurses receive licenses. i'll give you 30