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Heart contraction
Questions (2)
your heart works by:
entirely voluntary muscle contraction entirely involuntary muscle contraction a balanced mix of voluntary
3 answers
asked by
moo
58 views
The cells that are responsible for the “squeeze” of the heart are:%0D%0A%0D%0A(1
1 answer
asked by
Austin-taylor
37 views
Parent Categories (2)
Cardiovascular System
Cells