How do cellulose-containing foods, such as fruits and vegetables, ...

[jerry coleman]

How do cellulose-containing foods, such as fruits and vegetables, help the process of digestion?
 A) Encourage formation of acids in the stomach
  B) Provide essential enzymes
  C) Contribute to the bulk of feces
  D) Promote peristalsis

Question 2

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

[Ddddd]

Answer to Question 1

C

Answer to Question 2

A

[jerry coleman]

YES! Correct, THANKS for helping me on my review

[xiazhe]

Thanks for the timely response, appreciate it