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otez555 [7]
3 years ago
8

Typically, there are __________ papillary muscles that project from the wall of the left ventricle and attach to the tendinous c

ords that support the left av valve
Biology
1 answer:
slamgirl [31]3 years ago
6 0
It is called chordae tendinae or heart string
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The purpose of control group 2 is to determine if the new drug was a possible method for getting well, i.e., option B.

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