Ivan Pavlov Quote: No.5



Ivan Pavlov Quote: No.5

  • 5
    Edible substances evoke the secretion of thick, concentrated saliva. Why? The answer, obviously, is that this enables the mass of food to pass smoothly through the tube leading from the mouth into the stomach. Ivan Pavlov | Refcard PDF

 

  

  

 

  

Author Name

Nut Quote: Famous Quotes, Inspirational Quotes, Motivational Quotes, Inspirational Thoughts, Love Quotes, Thoughts of the Day and More