Heart Flashcards
the heart, the blood vessels, and the blood make up the _______
cardiovascular system
the heart of a healthy adult at rest pumps approximately how much blood per minute?
5 liters of blood per minute
the right side of the heart pumps to where?
the lungs back to the left side of the heart
it is when the right side of the heart pumps blood to the lungs and back to the left side
pulmonary circulation
it is when the left side of the heart pumps blood to all the other tissues of the body
systematic circulation
enumerate the functions of the heart
- generating blood pressure
- routing blood
- ensuring one-way flow of blood
- regulating blood supply
the heart is shaped like a ___
blunt cone
rounded point of the heart is the _____ and the opposite flat part of the heart is called the _____
apex, base
what do you call the midline partition that consists of the heart, trachea, espohagus
mediastinum
what do you call the own cavity of the heart?
pericardial cavity
meaning of cpr
cardiopulmonary resuscitation
it surrounds the heart and anchors it to the medistinum, forms the pericardial cavity
pericardium
enumerate the two layers of the pericardium
- fibrous pericardium
- serous pericardium
outer layer or perocardium, tough and made of fibrous connective tissue
fibrous pericardiumn
inner layer of pericardium, made of thin flat epithelial cells and thin layer of connective tissues
serous pericardium
it is when the serous pericardium is inflammed
pericarditis
it is when fluid or blood accumulates in the pericardial cavity and compresses the heart from the outside
cardiac tamponade
enumerate the two parts of serous pericardium
- parietal pericardium
- visceral pericardium
visceral pericardium can also be called
epicardium
the space between the parietal pericardia and visceral pericardia is filled with _____
pericardial fluid
it helps reduce friction as the heart moves within the pericardium
pericardial fluid
a groove called _____ extends around the heart separating atria from ventricles
coronary sulcus
two additional sulci that extend inferiorly around the heart
- anterior interventricular sulcus
- posterior interventricular sulcus
blood first enters the heart through the ____-
atria
the ____ carry blood from the body to the right atrium
superior and inferior vena cava
the _____ carries blood from the lung to the left atrium
four pulmonary veins