OpenStax
Open Stax: Anatomy & Physiology: Physiology of Urine Formation
Focus on the physiology of the urinary system, and discover that different parts of the nephron utilize specific processes to produce urine: filtration, reabsorption, and secretion. Learn how each of these processes works and where they...
Sophia Learning
Sophia: Animals: Human Digestive System: Lesson 4
This lesson provides an overview that explains the processes of digestion in humans. It is 4 of 4 in the series titled "Animals: Human Digestive System."
Sophia Learning
Sophia: Animals: Human Digestive System: Lesson 1
This lesson provides an overview that explains the processes of digestion in humans. It is 1 of 4 in the series titled "Animals: Human Digestive System."