Study

For exam study, not clinical practice. Always follow your clinical instructors and current guidelines.

PHS-101 route
Unit 2 · Lesson 3 of 5 9 min

Tonicity and Its Effects on Red Blood Cells

Put a red cell in the wrong fluid and it either bursts or shrivels. Here is why.

What this unit covers

Unit 2: Cell Physiology and Membrane Transport

  1. 1 Biologically Important MoleculesSix kinds of molecule do almost all the work in your body, and each has a job description. · 9 min
  2. 2 Passive Transport: Diffusion, Osmosis and FiltrationMost things cross the cell membrane for free, simply by rolling down a concentration hill. · 10 min
  3. 3 Tonicity and Its Effects on Red Blood CellsPut a red cell in the wrong fluid and it either bursts or shrivels. Here is why. · 9 min
  4. 4 Active Transport and Vesicular TransportWhen a cell needs something to go the wrong way, or needs to move a big parcel, it pays in ATP. · 10 min
  5. 5 Protein SynthesisYour DNA is a recipe book that never leaves the kitchen office. Here is how the recipes reach the cooks. · 10 min