- Which of these muscles is an extensor of the neck?A) External oblique B) SternocleidomastoidC) Splenius capitisD) iliocostalisE) Latissimus dorsi
- What vessels are classified as blood reservoirs because they store most of the blood in the body?
- On its way back to the atria, blood flows in large vessels called ______.
- Place the following vessels in order from the largest (at the top) to the smallest.
- The rise and fall of blood _______ in the heart chambers is the cause of the opening and closing of heart valves.
- What is the name of the enlarged fibers that conduct impulses from the bundle branches to distant regions of the ventricular myocardium?
- Microscopic vessels that are continuations of capillaries and merge to eventually form veins are called ______.
- The smallest arteries are called _______.
- Which statement accurately describes the development of pressure in a capillary network?
- Put the following layers of arterial walls in order from superficial (at the top) to deep.
- The group of autorhythmic cells in the interatrial septum of the heart that relays excitation from the atria to the ventricles is known as the ______.
- The ________ _______ is an enlarged vein on the posterior surface of the heart that collects deoxygenated blood that has supplied the heart tissue and empties into the right atrium.
- The ______ ______ make up the subendocardial conducting network and conduct impulses to distant regions of the ventricular myocardium.
- Oxygenated blood is leaving the heart. List the vessels in the order in which blood passes through them.
- The opening and closing of the heart valves is associated with ______.
- Blood passes from the left ______ through the mitral valve into the left _______, which then pushes blood out to a large vessel, the ______.
- The cardiac center is located in the pons.
- The portion of the cardiac conduction system located in the right atrium near the opening of the superior vena cava is the ________ _______ .
- Microscopic, thin-walled vessels that connect the smallest arterioles to the smallest venules are called _______.
- The tricuspid valve separates the _______ atrium and ventricle, while the bicuspid valve separates the ______ atrium and ventricle.