Answer:
1-it means "with oxygen"its activities that moves muscles and gets you breathing
2-180 over 80 is normal
3-relating to the phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries
4-relating to the phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood.
5-overheating you can be short on breath bloody nose and etc
Explanation:
D. pathogens can be found in saliva and mucus drops from sneezes.
They reduce the effects of acid in your stomach by neutralizing the excess aacid since antacids are mild bases. H2 blockers reduce the amount of acid in our stomachs.