Blood moves forward through veins because of all of the following, except
Answer: pumping by the smooth muscle in the wall of the vein.
Blood moves forward through veins because of all of the following, except
Answer: pumping by the smooth muscle in the wall of the vein.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.