How Dogs Really Listen to Us, and How Pufferfish Puff

What are prosodic cues in human speech?

• The actual words being spoken.

• The rhythm, stress, and intonation of the voice.

• The specific sounds that make up words.

• The volume at which someone is speaking.

Which part of a dog's brain is primarily responsible for processing the emotional tone of a human voice?

• The left hemisphere.

• The brainstem.

• The right hemisphere.

• The cerebellum.

When a pufferfish senses danger, how does it typically inflate its body?

• By holding its breath and expanding its lungs.

• By rapidly swallowing large amounts of water.

• By releasing gas from a special internal sac.

• By flexing its muscles to increase its size.

How do pufferfish continue to breathe while their bodies are inflated with water?

• They temporarily stop breathing until the threat passes.

• They have a special valve in their esophagus that allows their gills to keep working.

• They absorb oxygen directly through their skin.

• They use a secondary set of lungs that activate during inflation.