Answer:
B Heart and lungs
Explanation:
The thoracic cavity is another term for the chest cavity. It is enclosed by the ribs, spine, and breast bone, and is separated from the abdomen by the diaphragm.
It contains the heart, lungs, and the esophagus, and the blood vessels that supply them.
Answer: Delphi Technique
Explanation:
Delphi Technique is the method in which group communication takes place between experts for forecasting about any particular subject through discussion. This discussion is carried between expert panel through questionnaires in multiple level or rounds.
Series of questions are sent to them upon which judgement and decision is made through systematic debate.This process is for estimation without face to face meeting. .