Please bio help?

Posted on 2016-11-24 18:32:00 in Biology by BENICE

1. Bacteria in the gut do which of the following? (Mark all that apply) 

a.finish digestion some 
b.carbohydrates 
c. produces vitamins 
d. secrete mucus 
e. produce gas 
f. increase immune response 

2.Which structure allows you to voluntarily defecate? 
a. external anal sphincter 
b. internal anal sphincter 
c. ileocecal valve 
d. pyloric sphincter 

3. Which structure controls the passage of material from the small intestine into the large intestine? 
a. internal anal sphincter 
b. pyloric sphincter 
c. ileocecal valve 
d.external anal sphincter

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