A, scientific research. That will show for sure if it is true or just being endorsed. hope this helps!
The Answers C
Probably not D, because its probably not that urgent as this machine can cause severe unconsciousness, or even death.
Maybe not A because it may not be there for the person for its too big, and it usually used in hospitals. Basically, its not portable.
Not B Either.
Its not Really a disease...but the correct answer is a Sore throat
Answer:
Your muscles will require less oxygen to move and they will produce less carbon dioxide. This will immediately reduce the amount of air you will need to breathe in and out for a given exercise.
Answer: the heart, the blood vessel, and the blood itself
Explanation: hope this helps
