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The two atrioventricular (AV) valves, which are between the atria and the ventricles, are the mitral valve and the tricuspid valve.The two semilunar (SL) valves, which are in the arteries leaving the heart, are the aortic valve and the pulmonary valve.
Brachial artery
PO2 is higher in the pulmonary vein than it is in the pulmonary artery. It is the only place in the body where the oxygen level is higher in the vein than in the artery.
transistor
The atrioventricular valves are held in place by the chordea tendeae. These tendons are chord like structures that stiffen to close the valve.
alveoli
When the right ventricle contracts it is pushes blood to the pulmonary arteries and to the capillaries of the lungs where exchange of gases takes place
becouse it is a safe place
Chordae Tendineae
The heart has four chambers - left atrium, left ventricle, right atrium & right ventricle. The left chamber holds oxygenated blood while the right chamber holds deoxygenated blood. The two sides of the heart are separated by an interventricular septum between the ventricles, and an interatrial septum between the atria. The Pulmonary circulatory system carries deoxygenated blood from the right side of the heart to the lungs for oxygenation and brings the oxygenated blood back into the left side of the heart. The Systemic circulatory system carries oxygenated blood from the left side of the heart to the rest of the body where the oxygen is depleted, and then back into the right side of the heart.
No, the noun 'pulmonary veins' is a common noun, a general word for any of this type of blood vessel. A proper noun is the name of a specific person, place, or thing.
Pulmonary respiration takes place only in the lungs. It is a process in which oxygen is taken in and carbon dioxide is expelled from the body. During pulmonary respiration, the exchange of gases occurs between the alveoli in the lungs and the capillaries surrounding them.