Phys 2 Exam 3 Review Flashcards
What system does the following functions:
- regulates blood volume
- contributes to stabilizing blood pH
- eliminates nitrogenous waste products
Urinary system
Which part of the nephron is impermeable to water?
Ascending limb of the loop of henle
What two organs produce substances for fat digestion?
- pancreas
- liver
Chyme is created in which digestive organ?
Stomach
Which cells in the stomach secrete hydrochloric acid?
Parietal cells
What enzyme helps digest complex carbohydrates?
Amylase
What hormone is released by the duodenum in response to lipids entering?
Cholecystikinin (CCK)
What enzyme is specific for proteins?
Trypsin
Absorption of water is one of the main functions of the ____ intestine
Large
What hormone is produced in the S cells of the duodenum and is released upon the arrival of chyme to stimulate secretion by the liver and pancreas?
Secretin
What is the role of the pancreatic acini?
Secrete digestive enzymes
___ carry absorbed fats to the lymphatic system
Lacteals
What enzyme breaks down fats?
Lipase
Tiny weights necessary for the sense of equilibrium
Otoliths
Which layer within the eye is responsible for absorption of stray light?
Pigmented layer