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arteries
Atrium
The upper chambers of the heart are called the atria (singular: atrium).
it cuses due to smoking and also hagh blood presure.
The upper chambers of the heart are called the atria (singular: atrium).
These are the atria - there are two in the heart.
The upper chambers of the heart are called the atria (singular: atrium).
....INTRODUCTION: The heart is a powerful muscular organ that can pump 10,000 liters of blood daily.It is a 4 chambered muscular structure.The upper thin walled collecting chambers are called the atria.The lower thick walled pumping chambers are called the ventricles.
An atrium is in the heart, it is the top two chamber of the heart. the right atrium deals with deoxygenated blood from the body, whereas the left atrium deals with oxygenated blood from the lungs.
there are four chambers in the heart. two are atriums and two are ventricles
frogs heart has five chambers namely. 1-Sinus Venosus =Thin walled 2-Right auricle =Thin walled 3-Left auricle =Thin walled 4-Ventricle =Thin walled and muscular 5-Truncus arteriosus =Tabular thick walled
arteries