Ventilation is only at 65 percent of its maximum when cardiac output is at 90 percent of its maximum. what does this strongly suggest?
a. maximal oxygen consumption is limited by the cardiovascular system, not the pulmonary system.
b. skeletal muscles require more blood than oxygen.
c. the lungs are more efficient at performing their job than the heart.

1.eat vegan not meat

2 .dont brake your diet

3.your welcome

explanation:

answer:

i honestly don't know. but for being kind and considerate and trying to make people feel better! people like you show the world that their is still always kindness going around. it means a lot to me (and others! ) that you are trying to cheer people up. we need more people like you! < 3 < 3 < 3

explanation:

spread the love with #notahater !

you have lot of followers in but friends depend upon your wish.

answer:

it could come from a variety of sources.

explanation:

..although it was most likely developed through zoonotic transmission, where an infectious disease which usually afflicts when animals jump to humans.