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Curated Video
Passive Transport: Osmosis in Animal and Plant Cells
Osmosis is the movement of water across a semipermeable membrane from a region of lower solute concentration to higher concentration. Tonicity refers to how an extracellular solution affects a cell’s water content, described as...
Catalyst University
A&P I Lab | Exercise 3a: Diffusion, Osmosis, & Diffusion Rate
A&P I Lab | Exercise 3a: Diffusion, Osmosis, & Diffusion Rate
Catalyst University
Basics of Osmosis
In this video, we explore the basics of osmosis, solute-driven water movement. We also discuss the meaning of hypotonic, hypertonic, and isotonic solutions.
Khan Academy
Khan Academy: Biology: Diffusion and Osmosis
A detailed explanation of the processes of diffusion and osmosis. [18:59]
Khan Academy
Khan Academy: Lab Values and Concentrations: Tonicity: Comparing Two Solutions
Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. Rishi is a pediatric infectious disease physician and works at Khan Academy. [11:02]