KNOWe 3D

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Introduction to Heart

The human heart is located in the thoracic cavity between the lungs, slightly left of the midline.

It's a four-chambered muscular organ that pumps blood throughout the entire body.

The heart is protected by the rib cage and surrounded by the pericardium sac.

It beats approximately 100,000 times per day, circulating 7,500 liters of blood daily.

The heart's position allows efficient blood distribution to all body systems.

1. Where is the human heart located in the body? MCQ

In the abdominal cavity
In the thoracic cavity between the lungs
In the cranial cavity
In the pelvic cavity

2. Which of these are parts of the human heart? (Select all that apply) Multiple

Right atrium
Left ventricle
Pericardium
Liver

3. How much blood does the adult heart pump per day? MCQ

1,000-2,000 liters
3,000-5,000 liters
6,000-7,500 liters
10,000-15,000 liters

Summary

Explanation