Is it normal to have foamish spit?

I was never a huge spitter so I honestly have no idea if it’s normal or not But whenever I spit it is watery like it runs but it has white texture to it with bubbles on it. Now underneath those bubbles it’s a water texture (the part that runs) just the top is always white with bubbles. Not exactly foamy as if you... show more I was never a huge spitter so I honestly have no idea if it’s normal or not But whenever I spit it is watery like it runs but it has white texture to it with bubbles on it. Now underneath those bubbles it’s a water texture (the part that runs) just the top is always white with bubbles. Not exactly foamy as if you were to touch it the bubbles would go away.
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