Circulatory System Ch 7 Flashcards
composed of the heart, blood vessels, and blood. Xfers blood to all parts of the body, which brings oxygen, nutrients, and removes carbon dioxide and other waste products resulting from cell metabolism
circulatory system
highly effective pump located in thoracic cavity between the lungs, 2/3 of its mass located to the left
heart
this is a double walled sac that encloses the heart, gives support, and prevents friction as the heart moves towaards this protective sac
pericardium
how many chambers does the heart have?
4
The upper chamber that recieves blood from viens is called
atria
what does the RIGHT ATRIUM recieve?
oxygen depleted blood from the veins
what does the LEFT ATRIUM recieve?
oxygen rich blood from the pulmonary veins to the lungs
The lower chambers of the heart that pumps blood out to the arteries are called
ventricles
what does the RIGHT VENTRICLE pump?
oxygen depleted blood to pulmonary arteries, xfer bllod to lungs
what does the LEFT VENTRICLE pump?
oxygen rich blood to major artery from the heart