steff1301 steff1301
  • 16-05-2018
  • History
contestada

In order for respiratory organs to be efficient , they must have a what?

Respuesta :

hellopet hellopet
  • 16-05-2018
moist membrane
structures through which gas exchange occurs
rich blood supply
exchange surfaces where air can be warmed or cooled
ventillation
Answer Link

Otras preguntas

What is a feature of permanent insurance? A. it provides protection for a specific period B. it includes an investment opponent C. it is relatively low cost
The ratio of Max’s rice to Victor’s rice to Roman’s rice is 3:2:4. If Victor gives ¼ of his rice to Roman, what will be the ratio of Max’s rice to Victor’s rice
For the dilation with a center (0,0) shown on the graph, your friend says the scale factor is 5/2. What is the correct scale factor? What mistake did your frien
write an inequality for y greater than -3
after riding the stationary bike for just 8 minutes, betty had burned 50 calories. how long must she ride if she wants to burn 325 calories?
What is an equation of the line that passes through 7,3 and a slope of 4/7
Please help!!! What happens when sunlight bends as it passes through raindrops ? A) The wavelength of UV rays increase B) The wavelength of the visible light
what does government shut down mean in the United States of America? Thank you for the help.
please select the best answer from the choices provided
Match each stage to its scientific description