Zoology - Body Fluids and Circulation Question with Solution | TestHub
Read the following statements
QRS complex in ECG indicates ventricular depolarization.
The electrocardiograph machine is used to obtain Electrocardiogram (ECG) on graph paper.
During a cardiac cycle, the left ventricle pumps out about 70 ml of oxygenated blood which is called the cardiac output.
The second heart sound is associated with the closure of the semilunar valves.
How many statements from the above is/are incorrect?
Options:
Answer:
Solution:
The right side of the human heart contains deoxygenated blood and the left side of the human heart to contain oxygenated blood so in each cardiac cycle the right ventricle pumps out about 70 ml deoxygenated blood while the left ventricle pumps out 70 ml oxygenated blood to respective blood vessels. Cardiac output is calculated as the amount of blood pumped per minute.
