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 these parts arranged?
- What is size of white blood cell?
- How is hemophilia caused?
- What is diffusion?
- What are properties of vessels?
- How are fats digested?