Superior/inferior vena cava - right atrium - right ventricle - pulmonary artery - lungs(for oxygenation) - pulmonary vein
Calmness is the answer you are looking for :)
Explanation:
The muscles opposing the movement become the antagonists.
In a movement, like the back extension, the muscles that extend the back are the agonist.
The muscles that produce the opposite movement, which is back flexion, are the abdominals.
I think all of the above, i hope that helps! :))
The largest artery is the <em><u>aorta</u></em>.\
You are welcome! More than happy to help u! :)
