human body - digestive system
TRANSCRIPT
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THE DIGESTIVE SYSTEM
By Madison, Mila, andJJ
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PARTS AND FUNCTIONS OF THE DIGESTIVE SYSTEM
Large intestine- absorbs water which later turns into feces
Rectum- the final section of the large intestine which transports feces to the butt
Esophagus- a muscular tube connecting the throat to the stomach . It is used when breathing, eating, and
vomiting.Liver- regulates most chemical levels in the blood
and excretes bile. It processes the blood and breaks down, balances,and creates nutrients for the bodySmall Intestine-food comes into the small intestine
for the stomach. Parts of it breaks down food another part absorbs nutrients that goes to the bloodstream.
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Liver- regulates most chemical levels in the blood and excretes bile. It processes the
blood and breaks down, balances,and creates nutrients for the body
Small Intestine-food comes into the small intestine for the stomach. Parts of it breaks down food another part absorbs nutrients
that goes to the bloodstream.
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PARTS AND FUNCTIONS OF THE DIGESTIVE SYSTEM
Gall Bladder- the small green organ under the liver where bile is stored, later it sends
the bile to the intestines.Pancreas- makes enzymes for digestion
into the duodenum Stomach- the biggest part part of
digestion, it breaks down food and sends it to another organ.
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MECHANICAL AND CHEMICAL DIGESTION
Mechanical Digestion is when you physically break down food, you chew
until it is in small pieces.Chemical digestion is when chemicals
break down the food, like saliva.They are different bEcause one uses chewing to break down food and the
other uses chemicals. They are similar because they both start at the mouth.
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DIGESTIVE SYSTEM ENZYMES AMYLASE PROTEASE AND LIPASE
Enzymes: the digestive enzymes called proteases that break down the bonds between acids.
Amylase: the digestive amylase first salivary glands make salivary amylase which starts the
digestive system when chewing food. Protease: the digestive protease breaks down food
protein into blocks Lipase: the digestive system lipase breaks down
dietary fats into smaller molecules
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THE RESULTS OF CHEMICAL DIGESTIONThe result of chemical digestion on carbohydrates is that they turn to mucus which is in the mouth. Also from chemical digestion, proteins turn into soluble peptides when mixed with pepsin which is in the
stomach. Lastly the fats are chemically digested by emulsify fats and oil and are turned into droplets in
the small intestine.
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THE LIVER AND PANCREASThe liver is important because it is your very own
chemical processing plant. It has hepatocytes, lipoproteins,and phosolipids.
The pancreas is important because it produces enzymes, hormones, and digestive juices. The
most important is insulin which levels your blood sugar.
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THE STRUCTURE AND FUNCTION OF THE VILLI
The structure of the villi is a large surface area with millions of tiny fingers. It's function allows
the fingers to absorb things.
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GALL STONESA gallstone is a hardened deposit within the fluid in the gallbladder that can cause severe pain and
blockage. The pain areas that due with a gallstone in the back upper right abdomen. Gallstones can be treated with gallbladder
removal.
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COLON CANCERColon cancer is a malignant and invasive growth or tumor
arising from the inner wall of the large intestine. It develops from polyps, but if you remove them you could prevent colon cancer. Colon cancer is the third leading
cause of cancer and fourth in females. Symptoms include diarrhea, constipation, rectal bleeding, cramping,
weakness, and unintentional weight loss.
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CIRRHOSIS Cirrhosis is orange-yellow in Greek. It's a disease
in the liver often developing in alcoholics. It forms from scarred tissue and cells stopping blood flow. It cannot be cured but doctors can stop the pain.
It is found by blood test, cat scan, and liver biopsy. The symptoms are Itchy skin, Weight lost, Redness in the hands, and Swelling in the legs.
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WORDS TO KNOW😝
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Acidic- containing acidAlimentary canal- a tubular passage functioning In digestion and absorption of food and the elimination of foods residue , from the
mouth to the buttAmylase- any of several digestive enzymes that break down starches
Bile- a bitter alkaline liquid, secreted by the liver that AIDS in absorption and digestion especially in fats
Digestion- the process in which food is broken up physically, by chewing, or by chemically, by enzymes, and converted into a
substance for absorption and assimilation into the bodyDuodenum- the first portion of the small intestine from the stomach to
the jejunum
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E. Coli- a species of rod-shaped facultatively anaerobic bacteria in the large intestine of humans and other animals
Epiglottis- a thin, valve like, cartilaginous structure that covers the glottis when swallowing, preventing the entrance of food
and drink into the larynxEssential amino acid- any amino acid that is requires by an animal for growth but cannot be synthesized by the animals
cells and must be supplied in diet
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Feces: waste matter discharged from bowels after food has been digested; excrement.
Hydrochloric acid: a clear colorless, highly pungent solution of hydrogen chloride in water.
Lipase: any of a class of enzymes breaking down fats produced by the liver, pancreas and other organs of certain parts.
Mesentery: a fold of membrane attached to the intestine and the abdominal wall keeping it in place.
Mucous: the membrane lining body cavities and canals that lead to outside of the body.
Neutral pH: chemical solution that is not acidic or alkaline as pure water.
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PEPSIN- THE CHIEF DIGESTIVE ENZYME IN THE STOMACH WHICH BREAKS DOWN PROTEIN
PERISTALSIS- PERISTALSIS IS A WAVE-LIKE MUSCLE THAT MOVES FOOD TO DIFFERENT PROCESSING STATIONS.
PYLORIC SPHINCTER VALVE – IS A BAND SMOOTH MUSCLE AT THE JUNCTION BETWEEN STOMACH AND THE DUODENUM WHERE IT ACTS AS A
VALVE TO CONTROL THE FLOW OF PARTIALLY DIGESTED FOOD. SALIVARY GLANDS- THE ALL SECRETE SALIVA INTO YOUR MOUTH AND
SALIVARY DUCT PS DRAIN SALIVA
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Order of the digestive systemMouth
EsophagusStomach
LiverGall bladder
Small intestineLarge intestine
RectumAnus
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SITE SOURCESDictionary.com
Wisegeekhealth.comClevelandclinic.com
Niddk.nih.govKidshealth.org
Cancer.orgChildrenshospital.org
Chp.edu
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