I believe the answer to your question will be atrioventricular but don't cross out pulmonary it could possibly be the answer.
Answer:
Muscles move body parts by contracting and then relaxing. Muscles can pull bones, but they can't push them back to the original position. So they work in pairs of flexors and extensors. The flexor contracts to bend a limb at a joint.
Explanation:
Answer:
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Establishing a link between malpractice and harm is a link distinction
The correct answer is: AORTA