Chapter 3 | Body, Meet World

Helpful videos

A (detailed) look at the G-protein coupled receptor

This video offers an introduction to cell signaling with G-proteins and the GPCR. It also illustrates how the receptor is embedded in the cell layer.

A further look at ion pumps and channels

This video is further illustration of some of the types of proteins mentioned in the chapter. 

A brief introduction to the evolution of the eye

The video also mentions important concepts touched on in the chapter, such as eyespots, and pinhole eyes.

A look at ”heat vision” in pit vipers

Do note that the visualization of the (larger) world in infrared is not what the snakes see. In reality, these snakes can only detect prey this way at short range.