Topic: Body Transport System Subtopic: Diseases of the transport system
What are varicose veins?
Answer: Varicose veins are caused when the valves of the vein does not work properly. This causes whens to swell up.
- How are atria and ventricles separated?
- Where is faeces stored?
- How body tries to fight flu virus?
- What are capillaries?
- What gas is present in cigarette?
- What is digestion?