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.
- Which harmful chemical is black in color?
- What is quantity of platelets in blood?
- How are fats digested?
- What is trachea or windpipe?
- How body tries to fight flu virus?
- What is diffusion?