Eventually its internal nuclear reactions led to Krypton's explosion.

The main internal reaction is described below:

Most internal official reactions emphasised the wish of unity and reconciliation within the Church.

Plutonium flowed white-hot with its own internal reactions, but it was spread too thin to self-trigger another Blast.

We have internal reactions and external reactions.

But I was able to read his internal reactions as well.

The internal and external reaction to that repression triggered the breakup of the Soviet empire.

He pauses long enough to get the internal reaction he seeks, then adds, "Was that because of your respect for Tasjan?

He had suffered "severe internal reactions" to the inhalation of toxic fumes in the truck, and had chemical burns over large portions of his body.

Americans see emotions as internal personal reactions; emotions are about the self (Markus & Kityama, 1991).