Bio Practical #1
Terms in this set (50)
blood is pumped into the heart from vessels called?
the largest artery in the body
comes directly out of the heart and supplies blood to the smaller vessels of the circulatory system
the portion of the cardiovascular system which carries deoxygenated blood away from the heart, to the lungs, and returns oxygenated (oxygen-rich) blood back to the heart
delivers oxygen to the cells of your body
where do arteries carry blood?
carry blood away from the heart
where do veins carry blood?
carry blood to the heart
what do ventricles do with blood?
send blood to the heart
what kind of blood does the left side of the heart contain?
what kind of blood does the right side of the heart contain?
Tough double layered serous membrane that surrounds the heart. (plastic bag over apple)
layer under the pericardium
visceral pericardium (epicardium)
Inner serous layer. Layer under teh viceral pericardium.
apex of the heart
lowest part of the human heart. (Pointed end of the heart.)
base of the heart
point of attachment for blood vessels entering and exiting the heart.
ear- like flap that sits on surperior surface of of atria
branch of the aorta which splits apart to form the right subclavian artery and right common carotid artery
aortic semilunar valve
valve between the aorta and left ventricle
pulmanory semilunar valve
valve between the pulmonary trunk and right ventricle.
Vessel that emerges from right ventricle and splits into the right and left pulmonary arteries, which deliver deoxygenated blood to the right and left lungs respectively
atrioventricular valve between the right atrium and right ventricle.
atrioventricular valve between the left atrium and ventricle; also called the mitral valve.
fibrous cords that connect bicuspid and tricuspid valves with papillary muscles; also referred to as the "heart strings."
inferior vena cava
large vein that returns blood from the lower body regions to the right atrium.
muscular wall between the right and left ventricles.
muscles anchoring the chordae tendinae to the valves. (little anchors at the end of the chord tendinae)
superior vena cava
large vein that returns blood from the upper regions of the body to the right atrium. Opposite of inferior vena cava
ridges and folds on the walls of the ventricles.
a depression in the interatrial septum of the right atrium that is a remnant of the fetal foramen ovale (a hole that connects the left and right atria in fetal circulation.
right coronary artery
travels in right coronary sulcus then branches into the Right Marginal Artery and Posterior Interventriuclar Artery
left coronary artery
travels under the left auricle then branches into anterior interventricular artery and the circumflex artery
middle layer of the heart wall and is composed of cardiac muscle cells
anchors cardiac muscle together
muscular ridges on the internal surface of the ventricles
Ridges in anterior wall of right atrium
groove that marks border between atria and ventricles
Major vessel that drains the musculature of the heart
outer layer of the heart
cardiac muscle tissue
What attaches the cusps of the valves to the papillary muscles in the heart?
The artery that supplies heart tissue with blood
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