How many gill slits do sharks have?

Answer

Sharks have about 5 to 7 gill slits on the sides of their heads. Modern sharks normally only have 5 gill slits while leopard sharks have seven. Shark's gill slits are not covered and the water will flow easily through them.
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Shark
Kingdom: Animalia Phylum: Chordata Class: Chondrichthyes
Ancient relatives of sharks first appeared in the world's oceans about 400 million years ago. Today, sharks are classified among the elasmobranchs, which also includes the rays and skates. There are over 350 known species... More »
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