15-11-2019
Biology

contestada

Question 6
1 pts
Heart rate is regulated by a pace maker structure in the heart called the
sinoatrial node.
O
True
O
False
BE

Respuesta :

xcgymnast xcgymnast

15-11-2019

Answer:

True

Explanation:

The sinoatrial node is a small body of specialized muscle tissue in the wall of the right atrium of the heart that acts as a pacemaker by producing a contractile signal at regular intervals.

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