Cardiovascular and respiratory systems

• atria

• vеntricles

• valves

• atria

• valves

• ventricles

• septum

• semilunar valve

• ventricle

• superior vena cava

• inferior vena cave

• lower vena cava

• upper vena cava

• superior vena cava

• inferior vena cave

• lower vena cava

• upper vena cava

• pericardium

• endocardium

• myocardium

What is it?

What are the lungs covered with?

• pleura

• diaphragm

• mediastinum

What is the proper substance of the lungs called?

• parenchyma

• pericardium

• mediastinum

• diaphragm

• lobes

• serous coat