I also began to do a lot of research about nutrition and the science of human digestion. (nwcr.ws)
Fiber is important for human digestion, but rabbits literally can not survive without it — their entire gastrointestinal tract needs large quantities of fiber to function properly. (petconsider.com)
Some dog digestion sensitivity problems come from the same foods that can cause problems with human digestion, like wheat, corn and soy. (puppywire.com)