chichin85 asked:

The circulatory system consisting of the heart, arteries, capillaries, and veins, is the pumping mechanism that transports blood throughout the body. In the heart, the left ventricle contracts, pushing red blood cells into the aorta, the body’s largest artery. From here, blood moves through a series of increasingly smaller arteries, until it reaches a capillary, the junction between arteries and veins. Here oxygen molecules detach from the red blood cells and slip across the capillary wall …

Nanotechnology Medicine

Tareq asked:


1) Cells of the immune system use the circulatory system as a medium to patrol the body.
2) Cells of the immune system use the circulatory system to mature.
3) Cells of the immune system use the circulatory system for B-cell activation.
4) Cells of the immune system use the circulatory system for replication.
The answer should be 1 or 4

Nanotech Medicines

garyparkinson asked:

A simple but effect animation how the heart works Discaimer: A single copy of these materials may be reprinted for noncommercial personal use only. “Mayo,” “Mayo Clinic,” “noncommercial use only, provided you include all applicable notices and disclaimers.

Nanotech Surgery