Right Atrium (atrium dextrum; right auricle)."The right atrium is larger than the left, but its walls are somewhat thinner, measuring about 2 mm.; its cavity is capable of containing about 57 c.c.
Your right atrium takes in the oxygen poor blood. It is then pumped to your lungs via the right ventricle. In your lungs, your blood again fills up with oxygen, and returns to your heart. Your blood now enters the left atrium of your heart.
Starting in the right atrium, the blood flows through the tricuspid valve to the right ventricle. Here it is pumped out the pulmonary semilunar valve and travels through the pulmonary artery to the lungs.
The heart consists of 4 chambers: right atrium, right ventricle, left atrium, left ventricle
Right atrium receives blood from superior and inferior vena cava
Blood flows from right atrium, across tricuspid valve, into right ventricle ...
Our hearts have a thin walled right atrium which collects deoxygenated blood from the body and sends it to the lungs via the pulmonary arteries (with deoxygenated blood).
Deoxygenated blood from the body enters the right atrium.
It flows through the tricuspid valve into the right ventricle. The term tricuspid refers to the three flaps of tissue that make up the valve.
Dextrum (L. Right heart) the right atrium and ventricle. C. Hirsutum, c. Villosum. C. Mobile (obs.) an abnormally movable heart. C. Pendulum a heart so movable that it seems to be hanging by the great blood vessels. C.
Human heartbeats originate from the sinoatrial node (SA node) near the right atrium. Modified muscle cells contract, sending a signal to other muscle cells in the heart to contract. The signal spreads to the atrioventricular node (AV node).
The pacemaker of the heart, located in the wall of the right atrium. At the base of the wall separating the two atria is another patch of nodal tissue called the atrioventricular node (AV).
saltatory conduction ...
sinoatrial (SA) node A region of modi?ed muscle cells in the right atrium that sends timed impulses to the heart's other muscle cells, causing them to contract; the heart's pacemaker. PICTURE ...
systemic circuit The portion of the circulatory system concerned with blood flow from the left ventricle of the heart to the entire body and back to the heart via the right atrium.
 See also: Atrium, Heart, Blood, Human, Ventricle
  
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