Answer:
Cells produce CO2 and use O2 thats why there is less oxygen in exhaled air bc cells used some and more CO2 bc body gets rid off extra CO2 like that
Explanation:
I hope I did't over complicate
Answer:
Yes, it is possible for a father and son to suffer from haemophilia. Most people who have hemophilia are born with it. It almost always is inherited (passed down) from a parent to a child.
