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The part of your brain that controls your heart and lungs is the medulla.
Secondary bacterial infections is bad for any body but even worse for elderly because there body can't fight it off because there bodies are wore down the human life cycle is kinda like a car you by it brand new then as it gets older it starts to brake down and ware out then it finally brakes down for good
Answer:
B. Elbows should be locked when passing a volleyball
