how heart works

Deoxigenated blood comes into .... side of heart

• left

• right

What is the correct order of parts of heart that deoxigenated blood comes through?

• pulmonary artery - right atrium - right ventricle -pulmonary valve - tricuspid valve

• right atrium - right ventricle - pulmonary artery - tricuspid valve - pulmonary valve

• right atrium - tricuspid valve - right ventricle - pulmonary valve - pulmonary artery

• pulmonary artery - right atrium - tricuspid valve - pulmonary valve - right ventricle

Pulmonary artery takes blood to...

• left part of heart

• bronchi

• lungs

• right part of heart

Oxygen rich blood comes into heart by...

• an artery

• veins

Blood rich in oxygen leaves heart by...

• atrium

• aorta

• valve

• ventricle

It is a partition that prevents oxygenated and deoxygenated blood from mixing.

They open and close to let blood move in only one direction.