QUESTION 3 3.1 Study the diagram below. A H. B G Part of the human digestive system 3.1.1 Label organs D, E, F and G respectively. (4) 3.1.2 Write the LETTER of the part: (a) That stores bile (1) (b) Where protein digestion begins (1) (c) Where most water and mineral salts are absorbed (1) F.

Question 37 The vago-vagal reflex of the gastric phase of digestion begins with the A. accumulation of acid in the stomach B. elevated gastrin levels in the blood ⒸC. distension of the gastric wall D. elevated secretin levels in the blood E. elevated somatostatin levels in the blood

Question 15 Which type of nerve will increase intestinal motility and elimination? O Parasympathetic nerves O Corticospinal nerves O Brachial plexus O Somatic nerves O Sympathetic nerves

Question 17 The term that describes the movement of food in the small intestine O Salivation O Mastication O Peristalsis O Deglutition O Osmosis

QUESTION 1 During the gastric phase of digestion O salivary amylase begins the break down of starch proteins and fats are digested and chyme is produced. the production of chyme is initiated protein and starch are digested the intestine reflexively facilitates gastric emptying

QUESTION 11 1. Control of fluid flow is vital for efficient respiration. With the development of more complex structures to alter fluid flow in aquatic ancestors, fishâ | fill their swim bladder with 02 to facilitate gas exchange to tissues drop their diaphragm muscle to open up the buccal cavity and bring in fresh water before expelling 02 poor water out expand the buccal cavity to draw water in before forcing it through gills and out the opercular cavity draw fluid through the opercular valve during inhalation, across the capillary beds in the gills, and out the oral opening

Question 3 Donald has a very high blood cholesterol. Which of these you would recommend him to eat? O a high water soluble fiber diet O a high water insoluble fiber diet a high protein diet O a high fat diet O a high mineral diet.

Question 1 Which of these is NOT a function of the liver? O Storage of glycogen O Storage of fat Synthesis of bile O Digestion of cellulose O Synthesis of proteins

QUESTION 35 Which of the following organs are CORRECTLY matched to their function? Check all that apply. produces bile...gallbladder concentrates and stores bile... gallbladder detoxifies the blood... liver stores fecal matter... large intestine makes many digestive enzymes ... pancreas delivers chyme to the small intestine in small amounts ... pancreas secretes intrinsic factor required for the absorption of vitamin B12... large intestine

QUESTION 4 1. gastric juice intrinsic factor chief cells ulcers pepsinogen mucous cells fundus cardiac sphincter gastric glands oblique chyme parietal cells mucosa layer pylorus ferric ions gastric circular lipase mechanical curvatures The stomach is a muscular sac that collects all swallowed food. It is filled with that contains enzymes that digest proteins and fats. The acidic nature of the gastric juice, along with the churning of the stomach, helps dissolve the food, producing a soupy acidic mixture called The enzymes in gastric juice include and (a zymogen precursor to pepsin). . This muscular ring only Food enters the stomach from the esophagus, passing through the briefly opens to permit food to enter the stomach. It otherwise remains closed to prevent gastric juice form irritating the esophagus. The stomach has a dome shaped structure called the J. The central portion of the stomach is called the "body", and is outlined by the greater and lesser . The inferior portion of the…