Question

HELP ME PLSS ILL GIVE U 25 POINTS!

1.When the right ventricle contracts, the valve between the upper and lower chambers is________ (open OR closed), What does this prevent?

2. Blood pumped out of the right ventricle goes (to the body OR to the lungs)

3. In the lungs, the blood gives up its (oxygen OR carbon dioxide) and picks up (oxygen OR carbon dioxide)

4. The bloodbe used by the cells.
(can OR cannot)

10. Where must the blood go before it can be sent to the entire body? ______

Answer 1

1. Closed
It keeps the blood from tongue backward up into the right atrium when the ventricle contracts

2. Lungs

3. Gives up carbon dioxide and picks up oxygen

4. can

10. The lungs