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.
- How are these parts arranged?
- What are cross walls?
- How are small molecules transported?
- How long it takes to recover from heart transplant?
- What is osmosis?
- What are enzymes?