Main artery of the body; supplying oxygenated blood to the circulatory system
2. Arterioles
Small branches of arteries leading into capillaries
3. Artery
Any of the muscular walled tubes forming part if the circulation system by which blood is conveyed from the heart to all the parts of the body
4. Bundle of His
Collection of heart muscles specialized for electrical conduction
5. Capillaries
Any of the fine branching blood vessels that form a network between the arterioles and venules
Heart vocabulary:
Inferior vena cava A large vein carrying deoxygenated blood into the heart from the lower body
Left atrium Receives oxygenated blood from the pulmonary veins
Mitral valve The valve between the left atrium and the left ventricle of the heart
Pulmonary
Of or relating to the lungs
Purkinge fibers Split in the atria and ventricle wakks; are a unique cardiac end - organ
Right atrium Deoxygenated blood inters the right atrium through the inferior and superior vena cavas
Septum
A partition separating 2 chambers of the heart
Sinoatrial node Small body of specialized muscle tissue in the wall of the right atrium of the heart that acts as a peace maker
Superior vena cava Large vein carrying deoxygenated blood into the heart from the head and upper body
Tricuspid valve Also known as the attrioventricular valve; prevents back flow of blood into the right atrium
Vein
Any of the tubes forming part of the blood circulation system of the body; carrying in most cases oxygen depleted blood
Ventricle
Hollow part of cavity in an organ
Venules
Very small vein; especially ones collecting blood from the capillaries