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The fossa ovalis is the thinnest part which used to be open in a fetus to bypass blood traveling to the lungs as they weren't breathing yet.
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Can wall clouds cause or produce tornadoes?
Basically. A wall cloud is a a visible portion of the mesocyclone of a supercell. The mesocyclone is the the rotating part of a supercell that can produce a tornado.
What is the things between cell wall and cell membrane called?
nothing. there is nothing in between the cell wall and cell membrane.
What are endopores and why do they form?
type of spore formed when a bacterium produces a thick internal wall that encloses its DNA and a portion of its cytoplasm
What is the function of the raphe in a seed?
The portion of the funiculus that is united to the ovule wall, commonly visible as a line or ridge on the seed coat.
What are the names of the two types of chambers in an amphibians heart?
Upper two chambers are called atria which are thin walled.Lower two chambers are called ventricles which are thick walled.
What is the thinnest membrane between two organs or tissues?
I would say the cell wall...
What is the thinnest wall of the heart?
the thinnest wall of the heart is the one supplying heart to the lungs ie : the left side. the thinnest wall of the heart is the one supplying heart to the lungs ie : the left side.
What does the atrial septum divide?
Septum means wall and the atrial septum is the dividing wall between the two atria, or upper chambers of the heart.
Which structure in the respiratory zone has the thinnest wall?
ALVEOLI
Which wall separates the right and left atria?
The interatrial septum separates the left and right atria in the human heart. The tricuspid and bicuspid valves separate the atria and the ventricles.
What is a merlon?
A solid portion between two crenels in a battlement or crenelated wall. An open space or notch between two merlons in a battlement or crenelated wall.
What is the name of the wall dividing the heart atria?
The Atrial septum The wall between the two atriums is called the septum. Septum Cardiac Septum Atrial septum, containing the foramen ovale. Actually its called the interatrial septum...
What separates the left ventricle from the left atrium?
The interatrial septum separates the left and right atria.
What are the muscles in the wall of the atria?
smooth muscle's, they connect on the other layer and inner liner of that system
How is the human heart and the heart of a reptile different?
In turtles, the heart has two atria and a single ventricle partially divided by a wall of tissue called a septum. In crocodiles, there are two atria and two separate ventricle.
The innermost portion of the cell wall in a woody cell?
secondary cell wall
What is the muscular portion of the cardiac wall?
The myocardium.
