What is essential to do to eliminate all risk of catching an STI? a. Never touch or kiss another person.
b. Always use a condom when having sex.
c. Make sure you and your partner both us antibacterial soap.
d. Never share needles or syringes with another person.

Synovial fluid serves as a lubricant to prevent friction between two parts that move on each other such as in the case of and bones.

Aduty of the adult assigned to supervise a group of children is to a. check on the children at least every 20 minutes. b. keep the children within earshot. c. give the children a list of "don'ts" concerning behavior. d. conduct a name-to-face check when transitioning to the playground

What angle should your knees not bend past when squatting? a. 30 degrees b. 45 degrees c. 90 degrees d. 120 degrees