na2neErikam5painez na2neErikam5painez
  • 21-12-2016
  • Biology
contestada

Why do birds have hallow bones?

Respuesta :

greenacres greenacres
  • 21-12-2016
The hollow part of a bird bone isn't wasted space. In some bones, the hollow cavities contain extensions of the air sacs from the lungs. These air sacs help the bird to get the oxygen it needs to fly quickly and easily.
Answer Link

Otras preguntas

what is the gcf of 54 and 90
A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position?
What is 7 8/45 as a decimal?
A horizontal line through point -7,8
jackson stationery sells cards in packs of 48 and envelopes in packs of 64.If kina wants the same number  of each, what is the minimum number of cards that she
a store sold 8/5 as many dvd's as cd's. the total number of dvd's and cds sold tha day was 273. how many dvd's were sold
What would best suit data that describes how a part relates to the whole 1. Line graph2. Bar graph 3. Circle graph 4. Scientific notation
How do you write 3,500 in scientific notation
What is 1.0395 x 10 to the power of 9 in standard notation
6. What is a polyatomic ion? (You should also memorize the name, formula, and charge of the polyatomic ions listed in the lecture materials)