The answer is it begins at the PYLORIC SPHINCTER and ends at
the ILEOCECAL SPHINCTER. The pyloric sphincter is a group of smooth muscle at
the joint between the pylorus of the stomach and the duodenum of the small
intestine. It plays a vital role in digestion, where it acts as a valve to
controls the flow of moderately digested food from the digestive to the small
intestine. Ileocecal is a sphincter muscle valve that split up the small
intestine and the large intestine.
One species is nocturnal, and the other species is not.
http://quizlet.com/51808791/biology-1407-ch-24-flash-cards/
Roles of protein:
Hormone production
Enzymes- proteins bind to molecules to speed chemical reactions
Immune Function/immunity- anti bodies that bind to pathogens and inhabit their activities
Energy- protein is broken down to amino acids during digestion
Transporting oxygen
proteins can also blood clot, contract muscles, and they make up muscles,hair,and nails
