31.  The business became a natural part of her marriage, Consuela said.

32.  The filmmakers acknowledge in their central conceit that fear is a natural part of growing up.

33.  The lanky left-handed pitcher has been schooled since childhood to view setbacks as nothing more than turbulence, a natural part of the ascent into the clear blue yonder.

34.  The optimism that usually buoys fishermen has traditionally been as natural a part of life here as the ocean tides.

35.  The real skill of the architect is that the building appears to be a natural part of the landscape.

36.  The ropelike strands of egg white, called chalazae, are a natural part of the egg used to keep the yolk centered in the white.

37.  Though the two agents are a natural part of the immune response, an excess of them produces quick death.

38.  To him, public art can offer a sense of place and, he hopes, become a natural part of the visual landscape.

39.  To make exercise a natural part of your day, use other commitments or tasks as a way of getting and staying active.

40.  Until now, scientists thought memory lapses and other mild cognitive losses were a natural part of aging.