Topic: Body Transport System Subtopic: The movement of blood through the heart
What makes heart sound like dub?
Answer: When the ventricles push the blood out of the heart, the semi-lunar valves open with such a force that a sound like 'dub' is created.
Learn also:
- What if cough is vigorous?
- How does mineral salts enter roots?
- How does blood flow in veins?
- After digestion in stomach where does food move?
- What is oxygenated blood?
- What is sequence of mineral and water transport?
