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During which phase of respiration does oxygen enter the bloodstream? (2019)
During which phase of respiration does oxygen enter the bloodstream? (2019)
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During which phase of respiration does oxygen enter the bloodstream? (2019)
Inhalation
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Oxygen enters the bloodstream during inhalation when air is drawn into the lungs and diffuses across the alveolar membrane.
Questions & Step-by-step Solutions
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Q
Q: During which phase of respiration does oxygen enter the bloodstream? (2019)
Solution:
Oxygen enters the bloodstream during inhalation when air is drawn into the lungs and diffuses across the alveolar membrane.
Steps: 6
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Step 1: Understand that respiration is the process of taking in oxygen and releasing carbon dioxide.
Step 2: Know that inhalation is the act of breathing in air.
Step 3: Realize that when you inhale, air travels into your lungs.
Step 4: Learn that inside the lungs, there are tiny air sacs called alveoli.
Step 5: Understand that oxygen from the air in the alveoli moves into the bloodstream.
Step 6: Remember that this movement of oxygen into the blood happens through a process called diffusion.
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