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
VER TODAS LAS RESPUESTAS ( 22+ )
Otras preguntas
Desalination plants are becoming more common in places which have experienced ____ a. an influx of refugees b. damaging earthquakes c. mass deforestation d. sho
3.Дайте определения Северная война Фаворит Петербурх Новые османы Персия
for each of the reactions at constant pressure, determine whether the system does work on the surroundings, the surroundings does work on the system, or essenti
What individuals or groups of people are underestimated in our society today? 1. After reading and analyzing Truth's argument, think about how you or someone yo
Trendy wear for teens is choosing to set up its new production facility in indonesia in order to take advantage of low labor costs. additionally, the indonesian
PLS HELP WITH THIS ASSIGNMENT OMG ITS SO HARD FOR ME
PLEASE HELP WILL MARK BRAINLIEST
__________ do not provide any nutritional value, but they do provide dietary fiber, which helps move food through the gastrointestinal tract. a.) Table sugars b
what are the threeparts of the executive branch
Where are most volcanoes located? (Use information from the map.) What is happening to the earth’s crust in these locations? Why might these locations be more c
