i am not an expert in health but i think it is B
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Answer:
not sure if this helps but. Concept development is a set of activities that are carried out early in the systems engineering life cycle to collect and prioritize operational needs and challenges, develop alternative concepts to meet the needs, and select a preferred one as the basis for subsequent system or capability development
Answer:
Aorta, Pulmonary artery, left atrium, mitral valve, aortic valve, left ventricle, right atrium, tricuspid valve, and right ventricle Hopefully this helps!