The Earth 🌎 without oxygen 5 second??

Oxygen is the lifeline of a human being. It is the main catalyst for intracellular energy that is necessary to sustain human life. We inhale oxygen and exhale carbon dioxide. But have you ever thought that what would happen if the world lost the oxygen for just five seconds?

What would we do? Would we just hold our breath for five seconds? And what would happen to the atmosphere? How will the loss of oxygen affect the environment?