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Cardiovascular Syste
Module 5
Question | Answer |
---|---|
The heart is enclosed within an area of the thorax known as... | Mediastinum |
The double sac membrane that covers the heart is the.. | pericardium |
The middle and thickest layer of heart tissue is... | myocardium |
The layer of heart tissue lining the heart chambers and covering valve tissue is... | endocardium |
The heart chambers are separated by a body of tissue known as the... | cardiac septum |
The blood receiving chambers of the heart are... | atria |
The pumping chambers of the heart are... | ventricle |
Blood returns to the heart from the lungs by... | pulmonary veins |
The large artery carrying blood to the body from the left ventricle is the... | aorta |
The blood vessels that carry blood away from the heart... | arteries |
The blood vessels that carry blood towards the heart... | veins |
The valve between the right atrium and ventricle is the... | tricuspid valve |
The bicuspid has two flaps and is known as the... | mitral valve |
Arteries supplying blood to the tissue of the heart are... | coronary arteries |
The smallest vessels, which carry blood to the cells of tissues... | capillaries |
Only artery that carries oxygen-poor blood is the... | pulmonary artery |
The only vein that carries oxygen-rich blood is the... | pulmonary vein |
The valves leading to the pulmonary trunk and aorta are both referred to as the... | Semilunar valves |
A blockage in vessels supplying heart muscle may cause... | Myocardial Infarction |
The auto rhythmic activity of the heart can be modified by the... | Autonomic Nervous System |
Heart contraction is known by the alternate term... | Systole |
Relaxation periods of the heart when contractions are not occurring are known as... | Diastole |