Crash Course
In Da Club - Membranes & Transport: Crash Course Biology
Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane.
Bozeman Science
Osmoregulation
Paul Andersen explains how organisms regulate their internal osmolarity or not. He starts with a brief description of osmosis and why it is important for animal cell to be surrounded by an isotonic solution. He then explains how...
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
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.
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: 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]