Our Lady of Fatima University A. Pulmonary circuit - goes to the lung
College of Pharmacy for oxygenation
Anatomy and Physiology
B. Systemic circuit - distribution to
Cardiovascular System different tissues
Blood vessels: Heart is composed of 4 chambers:
Veins (drainage) - carries unoxygenated 1. Right atrium
blood 2. Left atrium
Artery (supply) - carries oxygenated 3. Right ventricle
blood 4. Left ventricle
Basic divisions of the cardiovascular: Blood Vessels:
1. Heart 1. Arteries carries oxygenated blood
- a mascular pump consisting two that will be distributed to the tissues.
receiving chamber (atria) and two Capillaries is located in the tissues
pumping chambers (ventricles). where gas exchange (oxygen and
- it is a 4 chambered, hollow,, muscular carbon dioxide) happen. It will now
organ lying between the lungs in the then proceed towards veins and goes
middle mediastanum. back to the heart as unoxygenated
- it is about the size of man’s fist blood. The unoxygenated blood will
- in males, it weighs 250-300 gram now go to the right atrium to right
- in females, it weighs 200-275 gram ventricle and to the pulmonary artery
- It is shaped like an inverted cone, with (only artery that carries unoxygenated
its apex pointing downward and to the blood) that will soon go to the lungs.
left base upwards and to the right And from the lungs it is already
- its apex anteriorly and inferiorly to the oxygenated and will now go to the
left of 5th ICS,MCL pulmonary vein (only vein that carries
oxygenated blood) left atrium to left
ventricle and exits to aorta
Coverings of the heart (pericardium)
2. Blood Vessels (2 closed circuits)
, Pericardium is divided into 2: 1. Antrioventicular valves
A. Fibrous pericardium A. Tricuspid - is also known as
B. Serous pericardium “Right atrioventricular valve” and
Serous pericardium is subdivided: is made up of 3 cuspid and the one
Parietal pericardium (outer) that guides the right atrium
Visceral pericardium or epicardium towards the right ventricle
(inner) B. Mitral/Biscupid valve - is made
Pericardial sac or pericardial cavity up of two cuspid and guides the
filled with pericardial fluid (space) backflow of blood towards the left
atrium where it will further go to
Walls of the heart aorta.
- the wall of the heart consists of 3 2. Semilunar valves
distinct layers: A. Aortic valve - guides aorta
1. Epicardium - external layer B. Pulmonic valve - guides
2. Myocardium - thickest layer and the pulmonary artery
middle muscular layer
3. Endocardium - inner layer of the SEPTA
endothelium (which is continuous with - are structures made up of fibrous
the lining of the blood vessels) tissue that separates the chambers
Chambers of the heart: 1. Interatial septum - separates the
1. 2 Atria right and left atrium
2. 2 ventricle 2. Interventricular septum - separates
the right and left ventricles
Valves of the heart Chambers of the heart
College of Pharmacy for oxygenation
Anatomy and Physiology
B. Systemic circuit - distribution to
Cardiovascular System different tissues
Blood vessels: Heart is composed of 4 chambers:
Veins (drainage) - carries unoxygenated 1. Right atrium
blood 2. Left atrium
Artery (supply) - carries oxygenated 3. Right ventricle
blood 4. Left ventricle
Basic divisions of the cardiovascular: Blood Vessels:
1. Heart 1. Arteries carries oxygenated blood
- a mascular pump consisting two that will be distributed to the tissues.
receiving chamber (atria) and two Capillaries is located in the tissues
pumping chambers (ventricles). where gas exchange (oxygen and
- it is a 4 chambered, hollow,, muscular carbon dioxide) happen. It will now
organ lying between the lungs in the then proceed towards veins and goes
middle mediastanum. back to the heart as unoxygenated
- it is about the size of man’s fist blood. The unoxygenated blood will
- in males, it weighs 250-300 gram now go to the right atrium to right
- in females, it weighs 200-275 gram ventricle and to the pulmonary artery
- It is shaped like an inverted cone, with (only artery that carries unoxygenated
its apex pointing downward and to the blood) that will soon go to the lungs.
left base upwards and to the right And from the lungs it is already
- its apex anteriorly and inferiorly to the oxygenated and will now go to the
left of 5th ICS,MCL pulmonary vein (only vein that carries
oxygenated blood) left atrium to left
ventricle and exits to aorta
Coverings of the heart (pericardium)
2. Blood Vessels (2 closed circuits)
, Pericardium is divided into 2: 1. Antrioventicular valves
A. Fibrous pericardium A. Tricuspid - is also known as
B. Serous pericardium “Right atrioventricular valve” and
Serous pericardium is subdivided: is made up of 3 cuspid and the one
Parietal pericardium (outer) that guides the right atrium
Visceral pericardium or epicardium towards the right ventricle
(inner) B. Mitral/Biscupid valve - is made
Pericardial sac or pericardial cavity up of two cuspid and guides the
filled with pericardial fluid (space) backflow of blood towards the left
atrium where it will further go to
Walls of the heart aorta.
- the wall of the heart consists of 3 2. Semilunar valves
distinct layers: A. Aortic valve - guides aorta
1. Epicardium - external layer B. Pulmonic valve - guides
2. Myocardium - thickest layer and the pulmonary artery
middle muscular layer
3. Endocardium - inner layer of the SEPTA
endothelium (which is continuous with - are structures made up of fibrous
the lining of the blood vessels) tissue that separates the chambers
Chambers of the heart: 1. Interatial septum - separates the
1. 2 Atria right and left atrium
2. 2 ventricle 2. Interventricular septum - separates
the right and left ventricles
Valves of the heart Chambers of the heart
