An athlete is lifting weights in the gym. he bends his arm at the elbow and brings the dumbbell toward his body. what type of motion is involved in this action? abduction adduction flexion extension

What link in the chain of transmission is described in the paragraph? sarah has been eating and sleeping poorly. she was just diagnosed with pneumonia. tests showed the illness was caused by streptococcus pneumoniae. in the chain of transmission, sarah is the (blank) , and streptococcus pneumonia is the (blank).