Storyclover
Storyclover
At low tide one bright morning, Mina crouched beside a rocky tide pool and watched a fish flick through the seaweed. She wanted to know how it stayed underwater so long.
Why Can Fish Breathe Water but We Cannot?Fish use gills to take oxygen from water, while human lungs are built to take oxygen from air.
1. At low tide one bright morning, Mina crouched beside a rocky tide pool and watched a fish flick through the seaweed. She wanted to know how it stayed underwater so long.
2. Mina leaned close and held her breath. Her nose wrinkled, her cheeks puffed, and she popped up again. Fish must have a secret.
3. A small orange clownfish with three white bands edged in black, bright black eyes, and translucent fins hovered by the seaweed. Its mouth opened and closed as water passed through its gill covers.
4. Mina spotted the soft, feathery gills tucked beneath the fish's covers. They were not little lungs. They were special parts made for water.
5. Water looks clear, but it carries tiny bits of oxygen. As water flows over gills, the gills take that oxygen in.
6. Mina put a hand on her chest and took a deep breath. Air slipped through her nose and mouth into her lungs, which waited inside her body.
7. Mina could not swap her lungs for gills, and the fish could not swap its gills for lungs. Each body had the right tool for its home.
8. Fish use gills to take oxygen from water, while human lungs are built to take oxygen from air.
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