Anatomy of the heart

Question 1

Mediastinum

Answer 1

Area of the thoracic

Question 2

Are the atriums at the top or bottom of the heart?

Answer 2

Top

Question 3

Where are the atrioventricular valves?

Answer 3

separate atria and ventricles

Question 4

what are the names of the atrioventricular valves?

Answer 4

Tricuspid - R

Mitral - L

Question 5

what is the purpose of pulmonary and aortic valves

Answer 5

control blood flow out of the heart

Question 6

Myocardium

Answer 6

Cardiac muscles

Question 7

What is the wall of the heart made up of?

Answer 7

Myocardium
Pericardium
endocardium

Question 8

what is Endocardium made up of and what is the function?

Answer 8

Made up of endothelial cells that ensure the walls of the heart are smooth to encourage blood flow and prevent thrombi

Question 9

Pericardium: where is it found and what is its function

Answer 9

It is one of the layers of the heart wall, and its purpose is for resistance against pressure. It is made up of two layers. The outer layer attaches heart to the diaphragm and sternum. Between the layers is fluid for lubrication

Question 10

How does de-oxygenated blood come into the heart?

Answer 10

into the R Atrium via the vena cava and coronary sinus

Question 11

Flow of blood around the heart

Answer 11

1. R atrium
2. R ventricle via tricuspid valve
3. Pulmonary valve opens, blood enters pulmonary artery.
4. Blood is oxygenated by the lungs
5. Blood travels down pulmonary vien to the left atrium
6. passes mitral valve to the L ventricle
7. arotic valves open and blood flows into the aorta
8. blood pumps round body