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31 terms

Digestive and Respiratory System

STUDY
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Retroperitoneal Organ
Pancreas
Mesentery
holds arteries and nerves coming into digestive tract
Parotid Gland
largest salivary gland
Lower esophageal Sphincter
failure results in reflux; acid into esophagus
Deglution
Swallowing
lacteals
involved in absorption of fatty substances
Parietal cells
responsible for production of intrinsic factor and stomach acid
HCL
converts pepsinogen to active pepsin
Parietal cells
helps in activation of inactive pepsinogen to active pepsin
Cephalic phase
triggered by sight, smell, and taste
Gastrin
stimulates parietal cells to increase acid production
submucosal plexus
network of nerves responsible for the primary regulation of secretin in the GI tract
CCK
released by the presence of fatty acid in the duodenum; acts on the gall bladder
Small intestine
duodenum; jejenum; ileum
Secretin
substance produced by cells of the duodenum due to acidic contents in the lumen
Branches of the celiac trunk
common hepatic; left gastric; splenic
Organ that contains endocrine and exocrine cells
pancreas
GIP
substance that directly stimulates secretion of insulin
Functions of the liver
synthesis of clotting factors; convuersion of bilirubin; detoxification
large intestine
involved in absorption of water
Bronchitis
inhaled irritants lead to excessive mucous; inflamation
Cilia
beats upward preventing trapped debris from moving down to the alveolar sacs
Vital capacity
maximum air you can take in after maximum expiration
emphysema
disease associated with smoking
Functions of hemoglobin
transport CO2; buffers blood; transport O2
Inspiration
phase of respiration where there is negative pressure in lungs
restrictive lung diseases
VC is reduced
Tidal volume
volume of air inhaled and exhaled with each normal respiration
Epiglottis
structure in throat which prevents entrance of food in trachea
Obstructive lung diseases
FEV is reduced
Insulin
released by endocrine cells in pancreas