Topic: Body Transport System Subtopic: The blood circulation
Why are walls of left ventricle stronger?
Answer: From the left ventricle, blood has to be pumped to lungs only. The walls of right ventricle are thicker than the left ventricle, because the it has to pump the blood around the whole body with more pressure.
- How are xylem and phloem arranged in roots?
- What are minerals and functions?
- What is chlorophyll?
- What is cross-pollination?
- What are root hairs?
- What are varicose veins?