The protects the body from foreign substances and cells.
a. immune system
b. endocrine system
c. urinary system
d. respiratory system

Janelle wants to keep track of the mileage she completes and the courses she runs, and locate new courses while training for a 10k race. which technology would be most to her? elliptical machine exercise video game gps-enabled device treadmill

When exercising, you shouldn’t go past to avoid an injury.

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