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Blood flows from the superior vena cava right into the right atrium of the heart. TRUE OR FALSE

When the nature of an artery changes from elastic to rigid because of changes in the walls, not the lumen, of the artery, this condition is called ___.     aneurysm     arteriosclerosis     varices     atherocsclerosis

reducing the risk of coronary heart disease

The ___ valves are positioned between the atria and the ventricles.

Branches of the right and left subclavian arteries which supplies the posterior aspect of the brain. Group of answer choices right and left common carotid arteries right and left brachiocephalic arteries right and left innominate arteries right and left vertebral arteries

the type of cardiac glands is pseudostratified tubular glands true False

True or false. The aorta branches into the left coronary artery/LCA, which supplies blood to both ventricles and the anterior 2/3 of the interventricular septum.

True or false please do

The left and right sides of the heart are separated by a structure called the ___ .