Daance: Module 1 questions and answers update 2023

Daance: Module 1 questions and answers update 2023 Myocardium specialized muscle, unique ability to contract on its own. w/out stimulation by nerves The heart has four chambers, what are they? Two upper chambers receive blood are called Atria. The left atrium receives blood from the lungs via the pulmonary vein and is oxygen-rich; the right atrium receives blood from the peripheral curculation (THE BODY) and is oxygen-poor. Right Ventricle of the heart Sends deoxygenated blood to the lungs. Left Ventriclue of the heart Sends oxygenated blood into the body or peripheral curculation (THE BODY) Vessels and Valves blood flows through the body in only one direction. The right side of the heart is filled with deoxygenated blood while the left side is filled with oxygenated blood. Neurons cells of the nervous system responsible for conducting nerve impulses within the brain as well as from one part of the body to another. Action potential The nerves threshold of stimulus Synapse A junction between two neurons or to another structure such as a muscle.