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59 Cards in this Set

  • Front
  • Back
Nutrients
All food contains ______ necessary for organisms to grow and function.
Carbon, Oxygen, Hydrogen
What are Organic Nutrients made of?
Extracellular
excess water loss causes water to move from ______ spaces to the blood by OSMOSIS.
Dehydration
When the cytoplasm becomes so concentrated, the cell can no longer function.
Digestion
The process of breaking down food into molecules the body can use.
Gastrontestinol Tract
Digestion occurs in the ______
Gastrontestinol Tract
begins at the mouth and winds through body to the anus.
Mechanical & Chemical
Nutrients from food are broken down through what kinds of processes?
Physically
In the mechanical stage, how is food broken down?
Chemical
Chemical digestion results in a _____ change of nutrients.
Saliva
Digestion begins BEFORE the first bite of food when the salivary glands produce ______.
Incisors
Front sharp teeth that cut the food.
Molars
Back teeth, used for grinding.
Hard Plate
Roof of mouth
Soft Plate
seperates nasal cavity from mouth
Salivary Amylase
An enzyme which begins the break down of carbohydrates, and saliva contains it.
Bolus
Once food is chewed, it is rolled into a _____ or a ball and is swallowed into the Pharynx.
Epiglottis
Prevents food from entering the trachea.
Esophagus
Muscular tube that connects to the stomach.
Peristalsis
A series of muscle contractions and relaxations known as ______.
Peristalsis
The _______push the bolus down the esophagus to the stomach.
Cardiac Sphincter
As food leaves the esophagus , it passes through the _____.
Cardiac Sphincter
A circular muscle.
Pyloric Sphincter
keeps the food in the stomach as digestion takes place.
Left side of Abdomen below diaphragm.
Where is the J shaped expandable bag?
Mechanical Digestion
Stomach is composed of 3 muscle layers to churn food.
Chemical Digestion
-
Gastric Pits
The inside is wrinkled epithelial membrane dotted with ______.
Gastric Pits
small openings that secrete HCI,Enxymes, or Mucus.
HCI
Kill bacteria to dissove nutrients and to activate enzymes.
Enzymes
Pepinogen is converted to pepsin in this acidic environment.
Pepinogen
An inactive enzyme.
Mucus
To prevent digestion and corrosion of the stomach itself from the acidic environment.
Chyme
A paste like substance.
Chyme
breaking up food particles and mixing them with gastric fluids forms ______.
Ulcer
Breakdown of mucus coating allows digestive enzymes to eat through part of the stomach, creating a lesion called an ______.
Liver
Large organ located to the right of the stomach in the upper right of abdomen.
Glycogen
Liver stores _____ for blood glucose homestasis.
Toxins
Liver breaks down ______ in the blood.
Bile
Liver secretes ____ which breaks down fats into smaller droplets.
Gallbladder
Stores Bile
Bile
When chyme enters the small intestine ______ is released.
Pancreas
Located between the stomach and small intestine.
Pancreatic Amylase and Lipase
Pancreas secretes Pancreatic fluid which contains____ and ____.
Pancreatic Fluid
Helps to break down carbs and lipids and changes chyme from an acid to a base.
Insulin and Glucagon
Pancreaus releases _______. which are hormones which play a role in blood glucose homeostasis.
Pyrove Sphincter
As food leaves the stomach it passes through the _______ to enter the small intestine.
21 feet !
Small intestine can stretch to about______.
Duodenum
Most active in digestion of nutrients.
Liver and Pancreas
Secretions from the ____ & ______ mix with chyme to complete the break down of nutrients and trigger intestinal glands to secrete MUCUS to protect the intestine.
Jejunum
-
lleum
active in absorption of nutrients
Villi
The highly folded lining of small intestines is covered with millions of fingerlike projections called.
Microvilli
The celles covering the Villi have fingerlike projecions on their cell membranes called _____.
Circulatory System
The end products of digestion are released into the
Liver and Kidneys
Once the blood is filtered by the _____ & ______ it carries these nutrients throughout the body.
Peristalsis
Once absorption is complete, ______ moves the remaining material in the small intestine to the large intstine or colon.
Water
Is absorbed back into the body, solidifying the mass of unused material into feces.
Rectum
Fecal matter is stored in the _____ and eliminated from the body through the anus.