Learn about the anatomy of the heart and how its chambers, valves, and vessels work together to maintain effective blood circulation throughout the body to sustain life.

Heart & Circulation; Diagram of the Human Circulatory System ... The system is responsible for the flow of blood, nutrients, oxygen and other gases, and as well as hormones to and from cells.

The heart is located in the chest, to the left of the center. The heart is responsible for pumping blood through the body. Heart conditions are not always noticeable.

The four valves of the heart prevent blood from flowing in the wrong direction, and open or close each time the heart beats. Learn more about them, here.

Blood circulation is a central pump placed in a circuit of closed tubes (see diagram). The right side of the heart pumps blood through the lungs, the left side pumps blood through the body.

Heart attack (blocked blood flow to the heart that causes heart muscle to die) Pulmonary embolism (blocked blood flow to the lungs that causes lung tissue to die which can cause shortness of breath or ...

The participants underwent rest and adenosine stress cardiac PET-CT imaging using a 128-slice system, with 1100 MBq 82Rb injections administered at a flow rate of 50 mL/min.

Normal blood flow may stabilize plaque, lower odds of cardiac events by Scott Schrage, University of Nebraska-Lincoln Credit: iScience (2023).

Heart valves made in minutes control blood flow immediately after being implanted into sheep. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2023 / 06 / 230607123521.htm ...