Without knowing the answer choices i think his waist is normal but the BMI should most likely be examined.
Smooth and cardiac are involuntary.
Skeletal is voluntary.
B, sanitizing.
When you use hand sanitizer or hand soap, you are using chemicals to kill off the bacteria. Washing/rinsing your hands only moves the bacteria, and doesn't kill them. Air drying your hands does not in anyway kill germs. <span />
