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 is situation of blood when it leaves heart?
- What is an artery?
- At which side of chest is heart located?
- Which vessel carries blood to lungs?
- Why is cold caused?
- What are proteins and functions?