31.   ...the human body.

32.   The project is nothing less than mapping every gene sequence in the human body.

33.   The human body is symmetrical.

34.   But the human body attacks and destroys tissue from other species.

35.   At present, gene therapy is being directed at the working cells in a human body that do not pass on genes to the next generation.

36.   The unexpected outcome of space medicine has been an enhanced understanding of how the human body works right here on Earth.

37.   At the age of twelve years, the human body is at its most vigorous.

38.   I would dream either of friends being shot dead, or see pools of blood spilling from human bodies, or that I myself was the target of gunfire.

39.   A primary purpose of the nine-day flight was to have been gathering evidence on how the human body adapted to weightlessness.

40.   The motor function of the colon is probably the least understood of the various hollow viscera of the human body.