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25 Cards in this Set
- Front
- Back
- 3rd side (hint)
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The digestive system is a way for the nutrients from the __________ to gain access to the ____________ system.
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Food
Circulatory |
What system works hand in hand with the digestive sytem to distribute nutrients?
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What are the two types of digestion?
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1. Mechanical
2. Chemical |
Think of all the ways the food is broken down in your body.
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What are the nutrients in the food you eat used for?
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To repair and maintain your tissues and provide you with enough energy.
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What happens when you don't have enough nutrients?
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What is the basic structure of the digestive system?
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A long tube leading from the mouth to the anus.
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Imagine the Digestive system unwravled.
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What is the main purpose of the digestive system?
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To break down huge macromolecules which cannot be absorbed into smaller molecules that can.
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What does the digestive system do?
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What is secretion?
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Delivery of enzymes, mucus and ions into the lumen and hormones into the blood.
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When something is said to secrete something, what does it do?
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What is absorption?
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Transportation of water, ions and nutrients from the lumen, across the epithelium and into blood
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What happens when a sponge is placed on top of a puddle?
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What is motility?
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Contractions of smooth muscle in the wall of the tube that crush and mix its contents.
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Think of an example; what happens?
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How are the digestive functions controlled?
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Through electrical and hormonal messages from the digestive system's own nervous and endocrine systems or from the central nervous sytem and from endocrine organs.
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What controls it?
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What does the mouth do?
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Food is broken down by chewing and saliva is added as a lubricant.
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How is the food broken down?
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What does the esophagus do?
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A means of transmitting between the mouth and stomach.
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Why is it where it is?
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What does the stomach do?
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It's where the enzymatic digestion of proteins start and food is turned into liquid form.
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What happens in the stomach?
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What does the liver do?
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Secretes bile to the small intestine which are used for digestion and absorption of fats.
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What does it hold?
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What do the pancreas do?
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Provides a mixture of enzymes to the small intestine which are used for digestion of fats, carbohydrates and protein.
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What happens if the pancreas are damaged?
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What does the small intestine do?
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Where the final stages of chemical enzymatic digestion occur and where almost all nutrients are absorbed.
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What happens to the nutrients?
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What does the large intestine do?
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Water is absorbed and feces are formed.
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This is the last step of the digestive process.
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___________ is the outermost covering of the digestive tube.
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Tunica serosa
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Try filling in the blank with words that are related to see what makes sense.
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In the abdominal cavity, the serosa on each side of the tube fuses together to form a suspensory structure called __________.
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Mesentery
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Try filling in the blank with words that are related to see what makes sense.
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What is the purpose of the mesentery?
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Holds vascular and nervous supplies to the digestive tract.
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What does the Mesentery hold?
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What are proteins?
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Polymers of amino acids linked together by peptide bonds.
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Think about its chemical bond.
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What are peptides?
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Very short proteins;about 3 to 10 amino acids in length.
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Think about its chemical layout.
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Fatty acids are the building blocks of many complex ______.
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Lipids
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What do they make up?
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The most abundant storage form of fat in animals and plants, and the most important dietary lipid, is neutral fat or ____________.
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Triglyceride
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Think about what would fit perfectly into context.
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What are the three different types of carbohydrtes?
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1. Monosaccharides
2. Disaccharides 3. Polysaccharides |
One of them plays CHARADES by HIMSELF, another DOESN'T play at all and the other plays with MANY.
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Enzymes that hydrolyze peptide bonds and reduce proteins or peptides to amino acids are called _________ or ___________.
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Proteases
Peptidases |
Think of the words 'protein' and 'peptide'
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