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Which of the following ions has a direct effect on ventricular muscle contraction?
Deacons of Defense
An African American civil rights organization founded in the 1960s to protect civil rights activists from intimidation and violence, often by using armed self-defense.
Nonviolent Civil Rights
A strategy used during the civil rights movement, advocating for racial justice through peaceful means, such as marches, sit-ins, and boycotts.
Armed Defense
The use of weapons in protection against attackers or aggressors; in historical context, it can refer to practices by individuals or communities to safeguard their rights and safety.
Muhammad Ali
An American professional boxer, activist, and cultural icon known for his skills in the ring, outspoken stance on civil rights, and conversion to Islam.
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