Scientists unveiled a five-organ female reproductive system on a chip small enough to hold in your hand, and showed that it could simulate a 28-day menstrual cycle.

Scientists unveiled a five-organ female reproductive system on a chip small enough to hold in your hand, and showed that it could simulate a 28-day menstrual cycle.

Learn how our bodies move blood best by building a model of the body's circulatory system--in sickness and in health.

Reference Article: Facts about the human circulatory system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. The circulatory system, also ...