|
|
|
5
|
a vein conveying oxygenated blood from the lungs to the left atrium of the heart.
|
|
6
|
the two upper chambers on each side of the heart that receive blood from the veins and in turn force it into the ventricles.
|
|
7
|
a colorless, odorless, gaseous element constituting about one-fifth of the volume of the atmosphere.
|
|
9
|
a colorless, odorless, incombustible gas, present in the atmosphere and formed during respiration.
|
|
10
|
small blood vessels that distribute oxygenated blood from the tissues to the body.
|
|
12
|
the two lower chambers on each side of the heart that receive blood from the atrium and in turn force it into the arteries.
|
|
|
|
|
|
|
1
|
a membranous structure that controls the flow of the blood.
|
|
2
|
the fluid that circulates in the principal vascular system of human beings.
|
|
3
|
the main trunk of the arterial system, conveying blood from the left ventricle of the heart to all of the body except the lungs.
|
|
4
|
a dividing membrane especially masses of soft tissue.
|
|
5
|
an artery conveying venous blood from the right ventricle of the heart to the lungs.
|
|
8
|
two large veins discharging blood into the right atrium of the heart.
|
|
11
|
a hollow, pumplike organ of blood circulation.
|
|
|
|
