Adoctor measures the flowrate in the ascending aorta and notices that the velocity has dropped substantially since the last measurement.

using your knowledge of the cardiovascular anatomy, give several possible explanations for this cause.

This may be brought upon by several health issues. It may be caused by blood clots, varicose veins due to valve failures, it could be due to diabetes due to high blood pressure.

I hope I was able to answer your question. Have a good day. 

cells spend most of their time in interphase