Why Does a Dog Pant?
Why Does a Dog Pant? You have probably seen a dog panting on a hot day. When a dog becomes overheated, it sticks out its tongue and pants, or breathes heavily. Panting...
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How Do Whales Sleep?
Whales don’t sleep at night as you do. They sleep by taking “half naps” at the water surface for a few minutes at a time when they are tired. Whales seem to be...
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Why Do We Yawn?
Why Do We Yawn? Though we don’t know all the reasons for yawning, it is usually a way of helping our breathing. That extra deep breath gets oxygen into our...
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How Do Plants Give off Oxygen?
How Do Plants Give off Oxygen? Plants give off oxygen during the process of photosynthesis. Using green chlorophyll (which gives them their color), the leaves of plants...
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