Structure Of Heart

Question 1

• What are the 4 chambers of the heart
• What does right hand side do
• What does left hand side do
• What’s middle separating thin wall called

Answer 1

• Atrium (left & right)
• Ventricles (left & right)

Right receives de oxygenated blood.pumps to lungs to collect fresh oxygen
Left pumps re oxygenated blood to body

Septum

Question 2

What are 3 layers of tissue making up heart muscle

Answer 2

• Pericardium ( thin ,outer lining protects and surrounds heart)
• Myocardium ( thick ,muscular,middle layer pumps blood around heart
• Endocardium (thin, inner layer lines 4 chambers and valves of heart

Question 3

What does Pulmonary mean
What do following do:
- Pulmonary artery
- Pulmonary vein
- Aorta
- Vena cava

Answer 3

Pulmonary = Lungs
Pulmonary Artery - takes deoxygenated blood back to lungs from right atrium
Pulmonary Vein- brings back oxygenated blood to left atrium
Aorta - takes oxygenated blood from left ventricle to the body
Vena Cava - Delivers de oxygenated blood to right atrium

Question 4

Describe the flow of blood starting from deoxygenated blood entering the heart

Answer 4

Vena cava
Right atrium
Valves
Right ventricle
Pulmonary artery
Lungs
Pulmonary veins
Left atrium
Valves
Left ventricle
Aorta