This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
In basic life support (BLS), support is given to which of the following organ -a) Lungb) Heartc) Kidneyd) Skeletal musclee) Brain (CNS) 
Select and explain. 
A. abc, B. bcd, C. cde, D. abe
D: abe
Answer: D: abe 
Explanation: None