Advantage of closed circulatory system is that

Important Questions on Body Fluids and Circulation

MEDIUM

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 8

Given diagram depicts the circulation in

MEDIUM

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 9

SA node is called the pacemaker of heart because

HARD

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 10

Bicuspid and tricuspid valve opens when

EASY

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 11

Duration of cardiac cycle is 

MEDIUM

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 12

Cardiac output is

MEDIUM

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 13

To obtain a standard ECG, the patient is connected to the machine with three electrical leads. These three electrical leads are connected as one each to the

MEDIUM

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 14

Neural centre in medulla oblongata can moderate the cardiac function through

EASY

11th ICSE

IMPORTANT

All in one ISC BIOLOGY Class 11>Chapter 21 - Body Fluids and Circulation>Chapter Practice>Q 15

Blood pressure is defined as the force with which blood