heart and blood vessels 310
Terms
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- blood vessels carrying blood from the heart to the capillaries in body tissues
- arteries
- a heart chamber that receives blood returned to the heart by veins
- atrium
- tiny blood vessels in tissues where exchange of materials between the blood and tissue cells occur
- capillaries
- the relaxation phase of the heart cycle
- diastole
- the thick layer of cardiac muscle in the wall of the heart
- myocardium
- the membranous sac enclosing the heart
- pericardium
- transport of blood to and from the lungs
- pulmonary circuit
- transport of blood to and from all parts of the body except the lungs
- systematic circuit
- the contraction phase of the heart cycle
- systole
- a decrease in the diameter of blood vessels
- vasoconstriction
- an increase in the diameter of blood vessels
- vasodilation
- blood vessels carrying blood from capillaries in body tissues toward the heart
- veins
- a heart chamber that pumps blood into an artery
- ventricle