8 people in total. There should be 4 couples
        
             
        
        
        
I think that it is a but im not sure of that so dont be dependant on my anwser
        
             
        
        
        
In the ICD-10-CM index to diseases and injuries (alphabetic index), the code next to the main term called a default code. It would represent the condition that is commonly related with the main term. In a case where the condition is not documented in a record without any information, then this code should be assigned.
        
             
        
        
        
Answer:
 Sensory neurons.
Explanation:
The sensory neurons are the active neurons that is responsible for the sensing of any activity occur on the skin. This sensory neuron send messages to the central nervous system in order to get instructions for the muscles to do suitable actions. The motor neuron send messages from central nervous system to the muscles. The burning of feet sense by sensory neurons present in the feet so avoiding such burning, the individual makes a decision of going into the ocean fastly. 
 
        
             
        
        
        
False, scurvy is a result of vitamin c deficiency.