It can affect oxygen levels hope I could help
Explanation:
a. false the correct answer in 1919
<span>The churches got in an argument over the use of icons. The Roman Catholic Church believed that they were good, and used them to honor religious people represented. On the other hand, the Eastern Orthodox Church thought they were wrong, and used an icon that resembled worshiping a false god.</span>
<span>cardiovascular
</span>
<span>Cardio exercise is any exercise that raises your heart
rate. And we all know that to
keep our muscles in shape we need move them. This movement makes them
stronger and stronger muscles make for a more efficient and healthy
body.</span>
