MEDICAL
LUNGS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
During cellular respiration, what happens to the carbon dioxide?
|
|
Itleaves the alveoli and is exhaled from the lungs
|
|
|
It leaves the bloodstream and enters the alveoli
|
|
|
It leaves the cells and enters the bloodstream
|
|
|
It leaves the alveoli and enters the bloodstream
|
Explanation:
Detailed explanation-1: -Once the venous blood returns to the lungs, the carbon dioxide diffuses out of the bloodstream, through the capillaries, and into the alveoli from where it is expelled, during which time oxygen simultaneously binds with hemoglobin to be carried back to the tissues.
Detailed explanation-2: -oxygen is used in aerobic respiration, where food molecules are broken down to release energy for growth. This process releases carbon dioxide as a waste product. carbon dioxide is used in photosynthesis, where the sun’s energy is harnessed to make food.
Detailed explanation-3: -In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.
There is 1 question to complete.