“scler/o” means ___
A. stone
B. hard
C. soft
D. bad
“spir/o” means ___
A. breathing
B. heart rate
C. pulse
D. vision
“-graphy” means ____
A. process of cutting
B. process of recording
C. process of viewing
D. process of listening
“radi/o” means ___
A. α ray
B. β ray
C. γ ray
D. x ray