NCERT Solutions for Chapter: Body Fluids And Circulation, Exercise 1: MULTIPLE CHOICE QUESTIONS

The cardiac impulse is initiated and conducted further up to the ventricle. The correct sequence of conduction of impulse is

Agranulocytes responsible for immune response of the body are

The second heart sound (dub) is caused by the closure of

Which of the following correctly explains a phase/ event in cardiac cycle in a standard electrocardiogram?

Which of the following statements is incorrect?

What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 mL?

Match the terms given under Column 'A' with their functions given under Column "B' and select the answer from the options given below: 

Read the following statements and choose the correct option.
Statement 1: Atria receive blood from all parts of the body which subsequently flows to ventricles.
Statement 2: Action potential generated at the sino-atrial node passes from atria to ventricles.