1 Men have a shorter lifespan than women.

2 A 15-year lifespan is not uncommon for a dog.

3 The average human lifespan in the developed countries has increased over the last hundred years.

4 The project's lifespan is estimated at about five years.

5 Worms have a lifespan of a few months.

6 A TV set has an average lifespan of 11 years.

7 Most boilers have a lifespan of 15 to 20 years.

8 This places an upper limit on our lifespan.

9 Saltwater fish have a shorter lifespan in the aquarium.

10 Not an acceptable lifespan in my opinion.

11 The natural lifespan of a pig is 10-12 years.

12 Although humans may have the longest lifespan of any mammal, giant tortoises have the longest recorded lives among vertebrates.

13 The relatively short human lifespan is thus put in a clearer biological perspective.

14 This term relates to the effect upon natural lifespan of a decrease in premature mortality.

15 The lifespan of cetaceans varies among species, the larger species generally living longer.

16 This debate as to whether the human lifespan is indeed finite remains unresolved.

17 He felt that the idea that the human lifespan could continue to increase was biologically implausible.

18 A small brownish butterfly with a lifespan of less than a week and a wingspan shorter than your little finger.

19 Now,[www.Sentencedict.com] he is hopeful that the child will have a normal lifespan.

20 Some aspects of this immediacy can also be transmitted by our contacts with non-human organisms whose lifespan far exceeds our own.

21 These changes in mortality, especially among the old elderly, suggest that we have not reached the maximum human lifespan.

22 That question becomes increasingly important as the Pentium class of personal computers moves through its lifespan.

23 The new, improved materials available have gone a long way towards extending the lifespan of today's flat roof.

24 But smoking kills a fifth of all smokers in middle age, 25 years before the end of their expected lifespan.

25 All too often, the antecedents of revolution are separated by more than a human lifespan from their fruition.

26 Authorities estimate that smoking trims between 12 and 15 years off a person's lifespan.

27 Capital costs are expressed as annual equivalents assuming a seven year lifespan for the equipment and a 5% discount rate.

28 Fries's argument is dependent upon the notion of a fixed human lifespan.

29 We must return to the fundamental question: is the extension of the human lifespan actually desirable?

30 As premature mortality decreases, he argues, more people will live to the limits of this natural lifespan.