Scientists also take advantage of the fact that babies will slow down their sucking when something interests them and resume their fast sucking when they get bored.
But he did not think about these things for very long. He was soon seated in the grass, a bone in his mouth, biting at the bit of life that made it yet pink.
And among the fallen apples on the ground beneath were wasps rolling drunk with the juice, or creeping about the little caves in each fruit which they had eaten out before stupefied by its sweetness.
After having a baby, receptors in the nipple detect when the baby begins to suckle, sending messages to the mother's brain, causing a release of oxytocin and continued production of prolactin.
Mrs. Driffield looked as though she had taken a dose of castor oil and had just been trying to get the taste of it out of her mouth by sucking a lemon.