Assessment
Directions: Below are the steps involved in the gas exchange activity, but they
are not in correct sequence. Put them in order, numbering them from 1 to 8.
Oxygen-rich blood enters the left atrium from the lungs.
Blood from the right ventricle goes to the lungs to pick up oxygen.
At the same time, oxygen-poor blood enters the right atrium.
Blood is squeezed into the ventricles.
The ventricles contract.
The heart muscle relaxes.
At the same time, blood from the left ventricle goes to the body to supply
it with oxygen.
The heart muscle contracts.
Answers
Answered by
0
north and south
Explanation:
Similar questions