katiekern8397 katiekern8397
  • 24-08-2018
  • Biology
contestada

While hiking in the mountains you notice that it's harder to breathe as you climb higher why?

Respuesta :

dylpik
dylpik dylpik
  • 24-08-2018
When we breathe in air at sea level, the atmospheric pressure of about 14.7 pounds per square inch (1.04 kg. per cm.2) causes oxygen to easily pass through selectively permeable lung membranes into the blood. At high altitudes, the lower air pressure makes it more difficult for oxygen to enter our vascular systems
Answer Link

Otras preguntas

solve the system of two equations 2y=8 and 15y=2x-4
help 10pts i'll give brainly to the 1st person who answer's Would you predict that states with a drier climate would most likely have fewer documented cases of
When creating a presentation you should use a blank as a starting point?
Please help. Simplify.
Of what is the tiger a symbol?
please put in slope intercept form and also include the work!
Tragedy at the triangle shirtwaist company led to
Y = 2x - 1 and y = x + 3 find the solution by graphing or substitution 1. ( 4,7) 2. ( 7,4) 3. ( -7,-4) 4. Infinite solutions
When you meet a car at night, you must dim your headlights at least _________ from the approaching vehicle?
Why were corporations formed? A. To protect individual investments B. To make the government money C. To protect constructed railroads D. To m