Two rooms the right atrium and left atrium plural.
Four rooms of the heart.
In the book room in the heart by sonia levitin the story follows the lives of two danish teens who experience the time period of 1940 1943 also known as world war 2.
Blood enters the right atrium moves through the tricuspid valve to the right ventricle and is then pumped to the lungs where it receives.
Atria serve as entryways.
The heart room was a room in olmec s temple the simplest of rooms the only objective was to hit an actuator to progress through the room.
The four chambers of a pig s heart have the same names as the analogous chambers in a human heart.
However its location allowed access to three or four rooms at any given time in the temple making it a key point in run design.
There is an ear shaped structure in the upper right atrium called the right atrial.
And the other two rooms the right and left ventricles are the main rooms.
The heart has four chambers two upper atria the receiving chambers and two lower ventricles the discharging chambers the atria open into the ventricles via the atrioventricular valves present in the atrioventricular septum this distinction is visible also on the surface of the heart as the coronary sulcus.
The heart is a house with four rooms.
One room is emptyone room is fullone room is happy.