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: Pediatrics
Which is not a component of APGAR Score – 
Select and explain. 
A. Colour of the body, B. Muscle tone, C. Heart rate/minutes, D. Respiratory rate per minute
D: Respiratory rate per minute
Answer: D: Respiratory rate per minute 
Explanation: None