Question
When the right atrium contracts, the
right ventricle always contracts simultaneously.
left atrium always contracts simultaneously.
left atrium always relaxes simultaneously.
left atrium and left ventricle always relax simultaneously.
Help
right ventricle always contracts simultaneously.
left atrium always contracts simultaneously.
left atrium always relaxes simultaneously.
left atrium and left ventricle always relax simultaneously.
Help
Answers
bobpursley
left atrium always contracts simultaneously.