Answer:
B. system
Explanation:
An example of a system would be the circulatory system helps circulate blood carrying nutrients to organs and waste material away from organs. It includes the organs - heart, blood vessels and lungs.
It is necessary to verify the benefits of Mrs. Hilbert since she may not have the same benefits as Mr. Campbell may have, despite them working at the same company and having the same insurance
-Deliver 1 ventilation every 3 to 5 seconds
-Check the pulse and breathing about every 2 minutes
