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1. How does diffusion allow gases to move into and out of the alveoli of the lungs? Use the term "red blood cell" in your answer.

2. How can respiratory diseases reduce blood oxygen levels?

3. How does blood acidity affect the breathing rate?

4. Why do people poisoned by CO (carbon monoxide) receive 100% O2 at higher atmospheric pressure?

5. When police find a body in a lake or river, they must determine if the person drowned or was killed in some other way and then thrown into the water. How would examining the lungs of the person help them to solve the mystery?

Sagot :

GinnyAnswer

Final answer:

Diffusion allows gases to move in and out of the alveoli of the lungs, respiratory diseases can reduce blood oxygen levels, and blood acidity impacts breathing rate.


Explanation:

Diffusion allows gases like oxygen and carbon dioxide to move into and out of the alveoli of the lungs. Oxygen diffuses from the alveoli into the capillaries where it binds to hemoglobin in red blood cells and is carried to the tissues for cellular respiration. Carbon dioxide follows a similar diffusion process in the opposite direction.

Respiratory diseases can reduce blood oxygen levels by affecting the efficiency of gas exchange in the alveoli, leading to lower oxygen entering the bloodstream.

Blood acidity affects breathing rate; an increase in blood acidity will stimulate an increase in breathing rate to expel excess carbon dioxide and balance blood pH.


Learn more about Gas exchange in the lungs here:

https://brainly.com/question/12977620


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