What are two possible factors that contribute to this country having the most deaths?
Which country has the highest percentage of coronavirus cases?
Excluding Greenland, which continent seems to be least affected by the Coronavirus outbreak? Why do you think this is the case?

Explanation:

america is most affected and this countries death toll is rising day by day and least country which had nonly  50 to 60 cases are kashmir and china i think crona is gone china just see after the lock down more people are affected fro  this virus as you all see the news

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.