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The mammals, birds, and flowers so familiar to us are all relatively recent, originating to million years ago. Getting started is easy! Pancreatic juice poured into duodenum. Composed of the teeth, tongue, salivary glands and muscles, this part takes in food to begin the process of digestion. Sign In with your ProProfs account.
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Viewed from space, Earth offers no clues about the diversity of life forms that reside there. The first forms of life on Earth are thought to have been microorganisms that existed for billions of years in the ocean before plants and animals appeared.
The mammals, birds, and flowers so familiar to us are all relatively recent, originating to million years ago. Humans have inhabited this planet for only the last 2. Which of the following is a pseudo-ruminant? What is the primary fuel for the body? Which hormone controls the release of bile from the gallbladder. Which of the following is a water-soluble vitamin?
Which of the following statements is untrue? Can your intellect digest the questions that this quiz throws at you pun intended?
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Go to My Dashboard. Thanks for your feedback! This is a tough one. The three parts, in sequence, of the small intestine, are the duodenum, jejunum, and ileum.
Which of the following does NOT secrete digestive enzymes? The esophagus is a collapsible tube that transports anything that is swallowed from the pharynx the portion of the GI tract after the mouth to the stomach. This tube has no digestive function. However, the digestive enzymes from saliva conture to act while in the esophagus.
These nerves penetrate into the solid structure of the tooth and this is why getting a cavity filled hurts. While Barrett's esophagus does increase the risk of esophageal cancer, the risk of this cancer remains low.
GERD is an acronym for gastroesophageal reflux disease. The acidity of the stomach destroys the shape denatures many proteins, including many enzymes. Denaturing a protein both makes it easier to digest and makes sure that normal function of protein hormones in the food you consume do not affect your body. What is the pH of the hydrochloric acid HCl secreted by the stomach? A pH of is a nasty acid, capable of denaturing altering the shape many proteins making digestion easier and killing bacteria.
This low pH also facilitates the absorption of vitamin B12 and minerals such as calcium. Bile is stored in the gallbladder to help process fats that enter the small intestine. This is why some people who have had their stomach removed must reduce the fat content of the individual meals they consume.
However, there are other people who have had their gallbladder removed who do not have the need to reduce the fat content of their meals. This is because, for them, the liver will produce sufficient bile so that they can process fats even without the bile that would have been stored in their gallbladder. Which of the following plays a role in neutralizing the acidity of the stomach content that enters the small intestine?
Bicarbonate is a buffer secreted by the pancreas into the small intestine. Bicarbonate plays a role in neutralizing the acid stomach content chyme that enters the small intestine. Foods such as spinach, rubarb, almonds, and cashews, which are high in oxalates and phytates, found in unleavened whole grains, bind to minerals limiting their absorption. Foods such as spinach which is high in oxalates and phytates, found in unleavened whole grains, bind to minerals limiting their absorption.
The roles of vitamin D in the maintenance of health include promoting the absorption of calcum and phosphorus.