This is what is needed, for the breath while speaking or singing must go out under much greater tension than is necessary for inhalation.

Inspiration should be as free as possible from obstruction when singing or speaking.

Expiration must be under _controlled_ pressure.
THE LUNGS The lungs are spongy bodies which have no activity of their own beyond a little elasticity.

They are controlled by the muscles of respiration.
Figure 8 shows the organs of the body in their natural positions.

The diaphragm is relaxed and curved upward, as in expiration.