This flowchart details the events happening before, during and after deglutition. What is B ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is C ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is D ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is E ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is F ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is M ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is H ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is G ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is I ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is J ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is K ?

(a)  

This flowchart details the events happening before, during and after deglutition. What is L (an alternative name for the lower esophageal sphincter) ?

(a)