Probably for fear of the person answering won't be judged negatively themselves. Or people don't like to hurt others feelings head on, they rather hurt their feelings behind their back.
A device that is part of a feedback loop receives an input, responds to the input and creates an output that is connected back to the input; the device is responding to its own output. The condition...
Milk removal from the breast is accomplished by the contraction of myoepithelial cells, whose processes form a basket-like network around the alveoli where milk is stored , in concert with sucking by...