The are extentions of the Atria.
The heart only has one aorta. The aorta is the body's main artery that connects the heart to the body. There is the pulmonary artery but this one only takes blood away from the heart to the lungs. This one aorta carries blood around the body in a circle((from the heart to all organs and back again)) and has extensions that supply each organ and tissue and cell with oxygen and nutrients.
The left and right atrium (or atria).
Because there is no blood/pressure within the atria to keep it open
The heart is the organ that has two atria and one ventricle.
The are extentions of the Atria.
The are extentions of the Atria.
they are the auricles
Auricles
the atria
The atria are a part of your heart which is in the circulatory system
The Atria and Atrium
salamanders have a heart with one ventricle and two atria
Atria is the plural for of atrium. Not the other way around.
The heart only has one aorta. The aorta is the body's main artery that connects the heart to the body. There is the pulmonary artery but this one only takes blood away from the heart to the lungs. This one aorta carries blood around the body in a circle((from the heart to all organs and back again)) and has extensions that supply each organ and tissue and cell with oxygen and nutrients.
One atria
Atria (left and right)