February 1, 1966
1 min read
The Hagfish
This primitive animal has teeth on its tongue, secretes a viscid slime and can tie itself in a knot. It also has four hearts, the nature of which may clarify cardiac function in higher animals
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February 1, 1966
1 min read
The Hagfish
This primitive animal has teeth on its tongue, secretes a viscid slime and can tie itself in a knot. It also has four hearts, the nature of which may clarify cardiac function in higher animals