Cardiac Cycle

Pacemake sends impulses every ____ seconds.

Relaxation of heart muscle called ___

• Systole

• Diastole

Contraction of heart muscle called ___

• Systole

• Diastole

Blood will go to from superior vena cava or inferior vena cava to ____ which is poor of oxygen.

• Left ventricel

• Left atrium

• Right ventrical

• Right atrium

What is the name of the valve connect from left ventricle to pulmonary artery?

• Bicuspid valve

• Tricuspid valve

• Pulmonary valve

• Aortic valve

What is the function of EKG/ECG?

• To detect heart problem

• To fix the heart

• To know the picture of heart

• To surgery heart problem

SA node is stimulated by ___ nerve that will increase the heartbeat.

• Parasymphatetic

• Symphatetic

• Symphaty

• Parasymphaty

AV node located near by the ____

The blood from the lungs which is rich of oxygen, will go to _____ through pulmonary veins.

• Left atrium

• Left ventricle

• Right atrium

• Right ventricle

Sinoatrial (SA) node is located near ____.

• Septum

• Superior vena cava

• Inferior vena cava

• Aorta