Fiber is a polysaccharide that gives plants their structure, and the bonds that hold the fiber molecules together are unable to be digested by human digestive enzymes. fiber plays an important role in a healthy diet by promoting healthy passage of stool and by to prevent many digestive and chronic diseases. select all that apply.

a. humans do not produce enzymes in the small intestine that can break down fiber bacteria in the large intestine are able to ferment all forms of previously undigested insoluble fiber
b. fiber can increase the absorption of cholesterol into the bloodstream, potentially resulting in increased heart disease risk
c. fiber is important for adding bulk to our stools, and making it easier to eliminate stools as long as water intake is adequate
d. fiber can reduce the risk of diverticulosis, obesity, and certain cancers.