10 Questions
Where does the right atrium receive deoxygenated blood from?
Body through the superior and inferior vena cava
Which chamber has thicker walls than the right ventricle to pump blood through high pressure systemic circulation?
Left Ventricle
What is the function of the septum in the heart?
Prevents mixing of oxygenated and deoxygenated blood
During which phase of the cardiac cycle do the atria contract, forcing blood into ventricles?
Atrial Systole
Through which valve does blood flow from the left atrium into the left ventricle?
Mitral valve
What characterizes the Late Ventricular Diastole phase?
Ventricles passively fill just before the next beat
Which circulation transports oxygen and nutrients to body tissues and organs?
Systemic circulation
What is the primary consequence of heart failure?
Heart too weak to pump enough blood; tissues may get insufficient oxygen
What defines an arrhythmia?
Abnormal electrical signals causing uneven heartbeats
What is the result of a heart attack?
Coronary artery blockage preventing oxygen delivery to heart muscle
Test your knowledge of the basic anatomy and physiology of the human heart and its functions. Label the diagram with 5 parts and describe the major functions of the heart parts.
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