The Force and Rate of Contraction of the Heart Is

question 70

Multiple Choice

The force and rate of contraction of the heart is controlled by which part of the central nervous system (CNS) ?

• A) phrenic nerve
• B) vagus nerve
• C) Purkinje system
• D) medulla oblongata

---

Definitions:

Scientific Method

A systematic process for acquiring knowledge that involves observation, experimentation, and hypothesis testing.

Symptoms

Signs or indications of a disease or condition that are experienced by an individual.

Problem Finders

Individuals or tools designed to identify issues within a process or system.

Fishbone Diagram

A visual tool used for identifying and organizing the causes of a problem, typically resembling the shape of a fishbone.