It is the manipulated variable. It is changed in an experiment to see how it would effect another variable.
Answer:
A
Definition of an Oran System:
An organ system is a group of organs that work together as a biological system to perform one or more functions. Each organ does a particular job in the body, and is made up of distinct tissues.
In assessing the adequacy of the patient's breathing. The healthcare practitioner should observe the rise and fall of the chest. In this inspection, the healthcare practitioner can assess two things: (1) patency of the airway and (2) the adequacy of breathing. A decrease or asymmetry in chest expansion may point out to pathologies such as pleural effusion or pneumothorax.
Usually if we are talking about needles and body fluids, They are usually put into a box that is labeled hazard! And they dispose of the materials in a special trash can! :) Hope this helps!