Pulse of Physiology

Explores how food moves through the GI tract using peristalsis, segmentation, mixing waves, and mass movement. Discusses how factors like chyme composition and volume influence gastric emptying, and h...

14 Apr 20254min

Covers the six major functions of the digestive system—ingestion, propulsion, mechanical digestion, chemical digestion, absorption, and defecation. Differentiates between GI tract structures and acces...

14 Apr 20254min

Apply your knowledge to diagnose and interpret acid-base imbalances using arterial blood gas (ABG) values. Differentiate between respiratory and metabolic acidosis or alkalosis, and determine whether ...

11 Apr 20255min

Understand how the respiratory and urinary systems compensate for acid-base disturbances. Learn how the body responds to respiratory or metabolic acidosis and alkalosis, and the time course of each co...

11 Apr 20255min

Learn the basics of pH regulation, including the roles of acids, bases, and buffers. Get introduced to the bicarbonate, phosphate, and protein buffer systems, and why maintaining a stable pH is essent...

9 Apr 20253min

Discover how the cardiovascular, endocrine, and urinary systems respond to dehydration or hemorrhage to restore blood volume and pressure. Compare how the body responds to osmolar vs. isotonic disturb...

9 Apr 20254min

Explore how aldosterone regulates potassium levels and how parathyroid hormone (PTH) maintains calcium balance. Learn the causes and effects of hyperkalemia, hypokalemia, hypercalcemia, and hypocalcem...

9 Apr 20254min

Understand how the body regulates osmolarity through osmoreceptors, ADH release, and thirst mechanisms. Explore how water gain and loss affect osmolarity and how the body restores balance during dehyd...

7 Apr 20254min