kfnldkl2362 kfnldkl2362
  • 25-03-2018
  • Biology
contestada

The only structures that allow gas diffusion across them are the _____.

Respuesta :

Cutiepatutie
Cutiepatutie Cutiepatutie
  • 25-03-2018
The answer is alveoli, there the only structures.

Hope this helps! Have a BLESSED day! :-)
Answer Link

Otras preguntas

Compare superconductors and semiconductors with conductors and insulators
A giant, carved _______ includes the symbols for a group, clan or family. A. Sun belt B. immunity C. totem pole D. aurora borealis
If a character permanently changes as a result of the conflicts in the story, that character is __________.
During protein synthesis, what part of RNA is joined together to form a sequence for a functional protein? exons introns both exons and introns neither exons no
Emily is overly concerned with being contaminated by germs. she washes her hands fifty times per day, wear gloves, and eats with plastic utensils that are cover
you invest 2000.00 for 6 months with 4.25 apr how much interest do u earn (1 point) A 42.50 B 510.00 C51.00 D 42.06
Two people spend $44 at a fair. There is an entrance fee of x dollars per person and each ride costs $3.50. If they went on the same number of rides, what equat
A rectangular pyramid has a volume of 1,512 in to the third power, a height of 12 in., and a base length of 21 in. What is the width of its base? 2 in. 6 in. 12
Tammy and Wyatt are sales associates at the same used car dealership. Their supervisor is planning to promote the employee with the best sales numbers, on avera
if 5c- 2=3c then 24c=