Blood vessels that carry oxygen-poor blood from the right side of your heart to your lungs.
The left and right sides of the heart are separated by a thick wall called the __________.
The large vein that returns blood from the legs and abdomen to the heart.
A device that opens and closes and lets blood in or stops it from leaving.
This valve has two leaflets. They allow blood to flow from the lungs into the left atrium. And they prevent backward flow from the left ventricle to the left atrium.
One of the four chambers of the heart. The _____ ______ receives blood low in oxygen from the body and then empties the blood into the right ventricle.
One of the four chambers of the heart. The _____ _________ pumps blood full of oxygen out to the body.
Your heart is a muscle that works very hard every second of every day. It is one part of the circulatory system that makes up your _________ ___________.
One of four heart valves and is the final one encountered by oxygenated blood as it leaves the heart. It is also called aortic semilunar due to its semilunar shape. It is between the left ventricle and the aorta to ensure that oxygen-rich blood does not flow back into the left ventricle.
A fibrous sac that encloses the heart and great vessels. It keeps the heart in a stable location in the mediastinum, facilitates its movements, and separates it from the lungs
The movement of the heart pushing in and out as it beats
One of four valves that control blood flow in the heart.
One of the four chambers of the heart. The left _______ _______ blood full of oxygen from the lungs and then empties the blood into the left ventricle.
Down
The large vein that returns blood from the head and arms to the heart.
One of four valves in the heart. It's located between the right lower heart chamber (right ventricle) and the right upper heart chamber (right atrium). The _____ _______ opens and closes to ensure that blood flows in the correct direction. It's also called the right atrio ventricular valve.
This blood vessels that carry oxygen-rich blood from your lungs to your heart. Your _________ _____ are part of your body's pulmonary circuit. This is a system of blood vessels that moves blood between your heart and your lungs.
One of the four chambers of the heart. The _____ _______ pumps blood low in oxygen to the lungs. In the lungs, the blood then gets a "refill" of oxygen.
___________ blood is important to keep your cells healthy and living.
An enclosed space within the heart.
The major blood vessel that carries blood away from the heart to the rest of the body.
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