I believe the answer is B. Cardiovascular efficiency :)
Your answer to this question would most likely be A) cost component bc the chef added to much ingredients so John is losing money and it’s costing him!!
Hope this helps!;)
Explanation: Our skeleton is a very rigid structure of bones which provides support for our muscles, skin and its task is also to protect our vital organs. Whithout the bone we would be unable to do anything, beacuse our nerves, blood flow, lungs, organs would be blocked and squeezeed
I believe the answer should be "Is especially important during physical activity."
