Process: - You breathe in - Air goes through all the little branches in your lungs to fill up the air sacs, or alveoli - Oxygen goes through the walls of the alveoli and into the capillaries - The oxygen goes into the bloodstream - Oxygen is left and carbon dioxide is picked up - You breathe it out through your lungs -   Question: suppose being outdoors in the open air happens, how will it affect plenty of oxygen in blood.  - A: more - B: less - C: no effect
Ans: A

Process: - Salt water is contained in a factory or plant - The water is boiled to a very high tempature - The salt becomes seperated from the water - The salt is removed - The water is able to be drank at this point.  Question: suppose the water does not boil happens, how will it affect more salt can be more easilyremoved.  - A: more - B: less - C: no effect
Ans: B

Process: - Air enters the lungs through bronchial tubes - Air enters bronchioles - Bronchioles have tiny air sacs called alveoli - Alveoli surrounded by small blood vessels - Oxygen absorbed by small blood vessels - Vessels deliver oxygen to every cell in the body - Blood brings carbon dioxide back to lungs - Carbon dioxide released when you exhale.  Question: suppose disease affects blood flow around the body happens, how will it affect a GREATER amount of oxygen being delivered to the blood stream.  - A: more - B: less - C: no effect
Ans: B

Process: - Networks of trees start forming - The trees die off - The dead material provides nutrients for more trees - The rising trees provide shelter - And more organisms begin to thrive - The ecosystem known as a forest is made.  Question: suppose the magnet in the phone is more faulty happens, how will it affect the forest is infected with dead trees.  - A: more - B: less - C: no effect

Ans: C