21 public questions tagged with this topic.
Systemic circulation carries oxygenated blood from the heart to the body's tissues and returns deoxygenated blood back to the heart.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
Cardiac muscle requires a continuous oxygen supply for contraction.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
The pulmonary artery carries deoxygenated blood from the right ventricle to the lungs for oxygenation.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
The Sinoatrial (SA) node generates electrical impulses to regulate the heartbeat.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
The interventricular septum separates the left and right ventricles, preventing mixing of oxygenated and deoxygenated blood.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
The SA node, also called the pacemaker of the heart, initiates the heartbeat by generating electrical impulses.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Circulatory System - Comparative and Evolutionary Aspects
The vena cava carries deoxygenated blood from the body to the right atrium of the heart.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
Diastolic pressure occurs when the heart relaxes, while systolic pressure occurs when the heart contracts.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
The aorta is the largest artery that carries oxygenated blood from the left ventricle to the body.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
The P-wave represents atrial depolarization, while ventricular depolarization is represented by the QRS complex.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
The P-wave represents atrial depolarization, while ventricular depolarization is represented by the QRS complex.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
The pulmonary vein carries oxygenated blood from the lungs to the left atrium of the heart.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation ECG and Blood Vessels
