By Jacqueline Pike
As we inch a little closer to spring, winter weather remains unpredictable. Cold temps and icy conditions can keep us indoors and apart from those we enjoy spending time with.
If, by chance you’re experiencing the winter blues, read on.
Sharing “A Few Heart Facts” with those you care about might be a fun way to lift your mood and help you to feel closer and less isolated.
Learning about your heart can be fun and educational. You might even impress your Cardiologist on your next visit.
- The human heart is the hollow and central muscular organ of the blood-vascular system, responsible for pumping blood to the rest of the body.
- The heart is uniform in healthy individuals and consists of four chambers or cavities. The right and left sides are divided by an anatomical partition called a septum. Each half is further divided into the upper atria and lower ventricles.
- The heart has 4 valves. The mitral and tricuspid valves act as one-way inlets and outlets for blood in and out of the heart. The aortic and pulmonary valves open and close to allow blood to flow to the rest of the body and to the lungs.
Humans do quite well with four chambers. You know that unlovable insect, the cockroach? They have a heart with twelve chambers! The chambers are arranged in a row and