There Are Electrons, Protons, and Neutrons in an Atom of

question 60

Multiple Choice

There are electrons, protons, and neutrons in an atom of

• A) 78, 78, 132
• B) 54, 54, 78
• C) 54, 54, 132
• D) 78, 78, 54
• E) 132, 132, 54

---

Definitions:

Electrical Impulses

Rapid, transient bursts of electric activity transmitted along neurons or muscle fibers, facilitating communication and function.

Cardiac Cycle

is the sequence of events that occurs in the heart from one heartbeat to the next, including contraction (systole) and relaxation (diastole) phases.

AV Node

A part of the heart's electrical system which acts as a gateway between the atria and ventricles, ensuring the timing of heartbeats.

Electrical Impulse

A sudden surge of energy in one direction, often used in the context of neurons firing and the transmission of signals through the nervous system.