The Tempo of the Heartbeat Is Set by a Cluster

question 18

Short Answer

The tempo of the heartbeat is set by a cluster of specialized cardiac muscle cells called the ________.

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Definitions:

Charter Schools

Publicly funded independent schools established by teachers, parents, or community groups under a charter with a local or national authority.

Curricula

The subjects comprising a course of study in a school or college.

Tax Vouchers

Certificates or receipts used to claim a reduction in tax liability or to direct tax revenues to specific purposes or programs.

Aged, Blind, Disabled

is a categorization used in social policy to refer to individuals who qualify for certain types of government assistance due to their age, visual impairment, or disabilities.