Which type of heart is found in the human beings?

Explanation

To answer the question "Which type of heart is found in human beings?", we can break down the solution into the following steps:

### Step-by-Step Solution:

1. **Definition of Heart**:
- The heart is a muscular organ responsible for pumping blood throughout the body via a network of arteries and veins. It plays a crucial role in the cardiovascular system.

2. **Structure of the Human Heart**:
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