Walker_nigel Digestive Test Flashcards
- Where does the alimentary canal end
Large intestine
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- Which of the following are not among the six nutrients needed by the body
Enzymes
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- Which process takes place in the large intestine?
Water is absorbed from undigested food
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- In what part of the body does most chemical digestion take place
Small intestine
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- What is chyme?
It is what food is called after it’s been digested by the stomach
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- The process by which waste is eliminated is
Defecation
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10.What digestive organ releases enzymes that help break down starches, proteins, and fats in the small intestine
Pancreas
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- What substance coats and protects the inside of the stomach
Mucus
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- What substance must be present in the stomach for pepsin to work best
Hydrochloric acid
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- The part that provides the main structure of the tooth
Dentin
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- Which of the following organs is considered to be a part of the alimentary canal
None of these
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- Which nutrient is needed in order for all body processes to take place
Vitamins
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- Which nutrients are made up of amino acids
Proteins
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- What organ stores bile
Gallbladder
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- Why do we need to break apart the food we eat
So our bodies can use the nutrients from the food
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- Where does digestive of carbohydrates begin
Mouth
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- The process by which nutrient molecules pass through the wall of the digestive system and into the blood is called
Absorption
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31.The tongue functions to
Mix the food with enzymes and position food for swallowing
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- What structure enables the small intestine to absorb large amounts of nutrients
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Villi
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- What substance in the mouth contains an enzyme that begin chemical digestion
Saliva
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- One of the roles of the ______ is to prepare waste material for elimination
Large intestine
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- Nutrient molecules pass from the small intestine into the bloodstream through tiny structures called ______
Villi
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- The ______ stores bile and releases it through a tube into the small intestine
Gallbladder
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- Bacteria in the ESOPHAGUS make vitamin K
False large intestine
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- Food is pushed through the esophagus yo the stomach by the waves of muscles contraction known as absorption
False peristalsis
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- Chemical reactions in the body take place in the nutrient known as water
True
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- The breakdown of complex food molecules into simp,ER molecules is mechanical digestion
F chemical
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- What are organs E and F? How do they compare in size?
F, the large intestine, is shorter and larger in diameter than E the small intestine
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- Give the letter and names of the two organs shown in the diagram through which food does Not travel
C pancreas G liver
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- Identify structure A through G
A esophagus B stomach C pancreas D rectum E small intestine F large intestine
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- What specifically is the name of the area of organ C shown? In general, could organ C perform in functions without organ B? Explain
C Duodesumn of the small intestine, B is the pancreas, which produces enzymes that aid in chemical digestive. Without those enzymes,chemical digestion could not be completed, C the small intestine would be unable to asorb small nutrients molecules in blood stream
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- Give the letter and name of the organ through which food is absorbed
C small intestine
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- Name the structure that line organ C and describe their functions
The structures are villi. Nutrients molecules pass into cells on the surface of a villus and from there into blood vessels. The villi provide a large surface area for absorptions
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- Identify organ A and give its functions
A is the liver, which produces bile that helps to break fat down into smaller particles
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- Label All of them and functions of a through D
A incisors cut B canines tear C premolars grind D molars crush E premolars bicuspids F canines cut
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