Lol id say all above but................its more difficult 2 exercise with all that weight pullin you donw.
A and C if it’s the thing I was doing
Answer:
Sry, I had the same question.
Explanation:
Your answer is false because most companies pay for people to say that their product works and is reliable
Answer: Gasses are exchanged across the alveolar membrane.
The exchange of gasses takes place across the alveolar membrane of the lungs. Our respiratory system are composed of nose, pharynx, larynx, trachea, bronchi, and lungs (alveoli) where gas exchanges between the blood and external environment by diffusion. Moreover, during the gas exchange, the oxygen enters the blood while carbon dioxide enters the alveoli.