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5 answers

Well...the diaphragm is an unpaired muscle. Would the heart be the other one?

2006-09-20 17:24:05 · answer #1 · answered by Anonymous · 0 1

Azygos

2006-09-21 00:21:05 · answer #2 · answered by UrNo1Fan 2 · 0 0

Do you mean agonist and antagonist? For example, one could be a flexor and the other an extensor.

2006-09-21 00:14:58 · answer #3 · answered by mollyneville 5 · 1 0

I'm guessing something in the throat involved in swallowing? Tongue, maybe?

2006-09-21 00:20:55 · answer #4 · answered by banjuja58 4 · 0 0

Rectum (sphincter)

Mouth

2006-09-21 00:21:40 · answer #5 · answered by zahbudar 6 · 0 1

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