Which of the following actions begins as voluntary process and then becomes an involuntary process?
A) Swallowing
B) Peristalsis
C) Defecating
D) Salivating

Question

Which of the following actions begins as voluntary process and then becomes an involuntary process?​
A) ​Swallowing
B) ​Peristalsis
C) ​Defecating
D) ​Salivating

Quizplus · Accepted Answer

Swallowing is initially under voluntary control, but once the food reaches the pharynx, the process is controlled involuntarily by the swallowing reflex. Peristalsis, defecating, and salivating are all involuntary processes from beginning to end.

Which of the Following Actions Begins as Voluntary Process and Then