What type of joints connects flat bony surfaces, keeping them slightly separate to avoid friction? a) saddle joints
b) gliding joints
c) hinge joints
d) pivot joints

Its good but its addictive and is expensive smoking it has no effect on the body 

Pediculosis, pediculosis is an infestation of lice

Answer. conducting a pre- activity questionnaire such as the physical activity reading this questionnaire or the health status ,question they're both of there are used to identify risk factors that may increase the likelihood of an injury or a cardiovascular events