BIOS 256 AP 4 Lecture Notes. The Digestive System part two Basic GI Functions  Primary function: movement of nutrient molecules from the external environment to the internal environment. (Absorption of nutrients) Food->Digestion->motility and absorption Pancreas  Gland in the retroperitoneal space behind the stomach  Produces enzymes that digest carbs, proteins, fats, and nucleic acids  Produces the sodium bicarbonate buffer  Empties the contents into duodenum Rel...

BIOS 256 - Midterm Review/BIOS 256 - Midterm Review. Chapter 24: -What are the components and features of the stomach? The four regions of the stomach are the cardia, fundus, body, and pyloric part. Functions of the Stomach 1.Mixes saliva, food, and gastric juice to form chyme. 2.Serves as reservoir for food before release into small intestine. 3.Secretes gastric juice, which contains HCl (kills bacteria and denatures proteins), pepsin (begins the digestion of proteins), intrinsic factor...

BIOS 256 - Final Exam Review/BIOS 256 - Final Exam Review. Embryonic Period o The embryonic period extends from fertilization through the 8th week of development  Fertilization is:  merging of genetic information from haploid sperm and haploid secondary oocyte o Fraternal twins:  Results from two eggs developing in the uterus at the same time, each of which is fertilized by its own sperm

BIOS 256 - Final Exam Study Guide/BIOS 256 - Final Exam Study Guide. MCQs Cardiovascular system  Movement of gases (oxygen and carbon dioxide) across tissue membranes occurs by _________ - Substances enter and leave capillaries by diffusion, transcytosis, or bulk flow. - Many substances, such as oxygen (O2), carbon dioxide (CO2), glucose, amino acids, and hormones, enter and leave capillaries by simple diffusion.  Signs and symptoms of left heart failure

BIOS 256 - Final Exam Review Questions & Answers/BIOS 256 - Final Exam Review Questions & Answers.