The structure of the umbilical cord and placenta Animation Play

The synthesis of organic compounds in an abiotic environment Student activity Play

The urea cycle Whiteboard exercise Play

The urea cycle Student activity Play

The urea cycle Animation Play

Transport across membranes Student activity Play

Transport across membranes Whiteboard exercise Play

Transport of substances across the placenta Whiteboard exercise Play

Urea Animation Play

Urea Animation Play

Urea in the body Slideshow Play

Using high-resolution mass spectrometry Animation Play

Vitalism Animation Play

What is molarity? Animation Play

What is organic chemistry concerned with? Animation Play

What is organic chemistry? Student activity Play