Chapter 2 Flashcards
What makes up air?
Nitrogen, oxygen, argon, carbon dioxide, and water
Respiration process
We take in oxygen to help metabolize the foods we eat
What makes up most of air?
Nitrogen
75% of our air is in the ____________
Troposphere
The ozone layer is between the ____ and _____
Troposphere and mesosphere
Which layer of earth atmosphere do we live in
Troposphere
What are the layers of the atmosphere?
Exosphere
Thermosphere
Mesosphere
Stratosphere
Troposphere
What does 21 pph (percent) mean?
21/100
What does 0.4ppm mean?
0.4/1,000,000
What does 30ppb mean?
30/1,000,000,000
Convert 0.0402% to ppm
402 ppm
____ air can be trapped beneath ____ air due to weather conditions
Cooler, warmer
What is Carbon monoxide CO?
- dangerous few
-binds to the hemoglobin in your blood more than oxygen
-causes dizziness, nauseousness and death
What is Ozone O3?
-dangerous few
-reduces lung function
Causes chest pain, coughing, sneezing and lung congestion
What is Sulfur dioxide SO2?
-dangerous few
-dissolves in moist tissue of lungs to form an acid
-the young, old, and those with emphysema or asthma are most at risk