Week 5 Flashcards
Digestion (19 cards)
What is the usual site of ingestion?
The mouth
Define the term pharynx, and state the two organ systems to which the pharynx belong?
The pharynx is the cavity behind the nose and mouth that connects them to the esophagus. It belongs to the respiratory and digestive systems.
What is the role of the small intestine?
major digestive and absorption site
What is the role of the large intestine?
absorbs water. stores and eliminates faeces
What is the role of the pancreas?
secretes digestive enzymes that break down food, proteases, amylayse, lipases and nucleases
What is the role of the oesophagus?
it is a passageway for food from mouth to stomach
what is the role of the liver?
produces bile. storage of fat and glycogen. detoxifies blood
what is the role of the salivary glands?
moistens food. breaka down carbohydratea and begins digestion
What does the stomach primarly serve as?
A storage organ where protein digestion begins
What lines the stomach to protect the lining?
Bicarbonate rich mucous
What does the small intestine absorb into the blood?
nutrients
The liver and pancreas are accessory organs that produce substances that empty into the ???? through a common duct to aid digestion
duedenum
What colour is bile in the gall bladder?
Green
Which organ is bile made?
Liver
What system is the vermiform appendix part of?
immune
What does BMI stand for?
body mass index
What substance is produced in a “fruity acetone” smell?
ketone bodies
pH in a diabetics blood and urine is related to ketone bodies. How?
Ketones are acidic. Lowers pH levels as a result. Ketone bodies increase which means pH blood and urine become more acidic
Why does a diabetic produce ketones in the presence of large amounts of glucose?
Their bodies cells are not capable of taking in glucose due to a lack of insulin. Therefore body turns to fat to aquire energy. ketones are a fat product.
