Muscle contractions in your lower legs act as pumps, and elactic vein walls help blood return to your heart. Tiny valves in your veins open as blood flows toward your heart then close to stop blood from flowing backward. Causes of varicose veins can include: Age
Answer:
the wall was built to protect china from invaders
Explanation:
your welcome
Answer:
There's a novel on it. If it were me, I'd find it in books, the internet, and the people around me.
2. Can you play A musical instrument
3. Jessica plays THE violin in an orchestra
4.There was A piano in the corner of the room
5.Can you play THE piano
6. Our society is based on A family
7.Martin comes from A large family
