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Terms in this set (22)
Gas Exchange in the Lungs
Oxygen passes into the bloodstream from the alveoli, waste carbon dioxide passes into the alveoli from the blood stream
use of oxygen by cells to release energy stored in food
Receives oxygen from the alveoli and returns carbon dioxide to the alveoli
The digestive system breaks down food into these so that the body can use them for cellular respiration - especially glucose
Inhaled (breathed in) through the mouth/nose. They then go to the trachea (wind pipe), bronchial tubes and into the alveolus (air sac)
Carries oxygen rich blood from the lungs and carbon dioxide rich blood from the body.
The oxygen molecule that is attached to a red blood cell goes to the heart by way of this.
aorta (large artery)
The oxygen molecules leave the heart by way of this and goes to any and every cell in the body.
When the oxygen molecule gets to the cell, it goes into this organelle. Where cellular respiration takes place.
waste products of cellular respiration
Carbon Dioxide (CO2) and water (H20) are made in the mitochondria but aren't needed by the cell.
The carbon dioxide molecule that is now attached to a red blood cell returns to the heart. The carbon dioxide molecule leaves the heart by way of this and returns to the lungs.
How CO2 and H20 leave the body
cellular respiration path
oxygen inhaled —> lungs —> blood —> heart —> cells —> cellular respiration happens —> makes energy, carbon dioxide and water —> carbon dioxide —> blood —> heart —> lungs —> exhaled
ingredients for combustion
oxygen and combustible fuel (gas, candle wax/wick)
ingredients for cellular respiration
oxygen and glucose (nutrients)
Form energy is released in for combustion
heat and light
Form energy is released in for cellular respiration
ATP and some heat
waste products for combustion
carbon dioxide and smoke or soot/carbon particles
waste products for cellular respiration
carbon dioxide and water
equation for combustion
oxygen + combustible fuel ==> energy (heat and light) and carbon dioxide and smoke/soot
equation for cellular respiration
oxygen + glucose ==> energy (ATP) and carbon dioxide and water
a process by which a substance combines with oxygen.
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