1
relating to the heart and blood vessels
2
the blood circulating through the body of a person or animal
3
each of the two main chambers of the heart
4
the pulse
5
any of the fine branching blood vessels that form a network between the arterioles and venules
6
the largest vein in the body
7
the blood vessels that deliver oxygen-rich blood from the heart to the tissues of the body.
8
each of the two upper cavities of the heart from which blood is passed to the ventricles
9
the main organ of the circulatory system
10
the body's largest artery
11
it flows through our bodies carrying esssential substances
12
any of the tubes forming part of the blood circulation system of the body, carrying in most cases oxygen-depleted blood toward the heart
