Use the passage from why are yawns contagious we asked a scientist to answer the question based on the information in the passage which cause complete the graphic organizer select the two correct answers

2 answers

To assist you better, could you please provide the passage or the relevant details about why yawns are contagious? This way, I can help you complete the graphic organizer and select the correct answers.

This is the graphic organizer.

Cause: To quickly expel carbon dioxide
Cause: To drive oxygen-enriched blood to the brain
Cause: To stretch internal organs
Cause: ?
Cause: ?

Based on the information in the passage, which cause completes the graphic organizer? Select the two correct answers.
(1 point)
O to compress facial muscles
O to increase adenosine levels
to increase the frequency of deep breaths
• to build up oxygen
• to cool the brain

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