High School Biology › Understanding the Heart
Where is the mitral valve, and what is its function?
In an average adult, the blood volume is around five liters. Although the left and right ventricles have chamber volumes of around 100 milliliters, the amount emptied during each heartbeat is only 70% of ventricular volume. If the heart beats at 70 beats per minute, which of the following is true?
Which chamber of the mammalian heart is the strongest?
Which of the following is not found in the heart?
Which of the following parts of the heart contains muscle?
Which of the following would happen if the chordae tendinae attached to the mitral valve were torn or damaged?
The P wave of an electrocardiogram is generated in which region of the heart?
The heart is supplied of venous blood by the inferior vena cava and the superior vena cava. These veins are known to carry deoxygenated blood to the heart and the aorta carries oxygenated blood away from the heart. What are the 2 exceptions to the rule of thumb: veins carry deoxygenated blood and arteries carry oxygenated blood.
Which structure is referred to as the pacemaker of the heart?
After crossing the tricuspid valve, blood passes into which heart chamber?