Bozeman Science
Why Are Cells Small?
The lower half of Mr. Andersen's head explains why cells are small. This video begins with a simple geometry problem and ends with a discussion of Allen's Rule and reasoning for the microscopic nature of cells.
Amoeba Sisters
Osmosis and Water Potential (Updated)
Explore the process of osmosis in this updated Amoeba Sisters video! Video features real life examples of osmosis, important vocab, and introduces concept of water potential and turgor pressure in plant cells. Expand details for table of...
Bozeman Science
Osmosis Demo
Mr. Andersen gives a brief description of osmosis. He explains how water moves from a hypotonic to a hypertonic solution across a semipermeable membrane. The video ends with a time-lapse demon in class.
Catalyst University
Determine the Isotonic Concentration for a Cell in Solution
In this video, we consider the following situation: Eggs (cells) are placed in solutions with various concentrations, and initial and final egg masses are determined. Determine the isotonic concentration via graphing and manual...
Catalyst University
A&P I Lab | Exercise 3a: Diffusion, Osmosis, & Diffusion Rate
A&P I Lab | Exercise 3a: Diffusion, Osmosis, & Diffusion Rate
Catalyst University
Guillain-Barré Syndrome | Mechanism & Presentation
In this video, we discuss the mechanism and clinical presentation of Guillain-Barré syndrome.
Ancient Lights Media
The Biological Effects of Tonicity
Osmosis Set: 2. This clip examines tonicity: the effect of various concentrations of solute molecules and plant cells.
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]
Sophia Learning
Sophia: Cell Transport
A narrated tutorial describing the three different kinds of cellular transport: diffusion, osmosis, and facilitated diffusion. Includes descriptive illustrations, analogies, and examples. [13:28]
Sophia Learning
Sophia: Osmosis: Lesson 5
This lesson will explain the process of osmosis and will describe the role of osmosis in our bodies. It is 5 of 8 in the series titled "Osmosis."
Amoeba Sisters
Amoeba Sisters: Osmosis
A video exploring the topic of osmosis. Understand how water diffuses through semipermeable membrane based on the concentration of solute. Learn key terms for understanding the process by seeing an example of blood cells. Teachers can...
Khan Academy
Khan Academy: Tonicity Comparing 2 Solutions
Find out how tonicity is determined by ions that don't move across membranes and how it affects the movement of water. [11:03]
Bozeman Science
Bozeman Science: Osmosis Demo
Mr. Andersen gives a brief description of osmosis. He explains how water moves from a hypotonic to a hypertonic solution across a semipermeable membrane. The video ends with a time-lapse demon in class.