The heart chamber that acts as an entry for blood?
singleAnswer
Atrium
Atrium (heart)
The heart chamber that acts as an entry for blood?
Atrium (heart) Ventricle (heart) Cardiac catheterization Heart Cardiac cycle Cardiopulmonary bypass Pericardium Electrical conduction system of the heart Artificial cardiac pacemaker Circulatory system
The atrium (Latin ātrium, “<b>entry</b> hall”) is the upper <b>chamber</b> through which <b>blood</b> 
enters the ... <b>ventricle</b> before being pumped to the aorta. In these animals, the left 
atrium still <b>serves</b> the purpose of collecting <b>blood</b> from the pulmonary veins. A <b>ventricle</b> is one of two large <b>chambers</b> toward the bottom of <b>the heart</b> that 
collect and expel <b>blood</b> received from an atrium towards the peripheral beds 
within&nbsp;... <b>Cardiac</b> catheterization (<b>heart</b> cath) is the insertion of a catheter into a <b>chamber</b> 
or vessel of <b>the</b> ... Measuring <b>blood</b> flow is also possible through several methods
. Most commonly, flows are estimated using the Fick principle and thermodilution. <b>The heart</b> is a muscular organ in most animals, which pumps <b>blood</b> through the 
<b>blood</b> vessels ... In humans, other mammals, and birds, <b>the heart</b> is divided into 
four <b>chambers</b>: upper ... <b>The heart functions</b> as a pump in the circulatory system 
to provide a ... These cardiovascular centres receive <b>input</b> from a series of 
receptors&nbsp;... <b>The cardiac</b> cycle is the performance of the human <b>heart</b> from the ending of one 
heartbeat to ... There are two atrial and two <b>ventricle chambers</b> of <b>the heart</b>; they 
are paired as the left <b>heart</b> and the right <b>heart</b>—that is, the left atrium with the left 
<b>ventricle</b>, ... Throughout <b>the cardiac</b> cycle, <b>blood</b> pressure increases and 
decreases. Cardiopulmonary bypass (CPB) is a technique in which a machine temporarily 
takes over the function of <b>the heart</b> and lungs during surgery, maintaining the 
circulation of <b>blood</b> and the oxygen content of the patient&#39;s body. The CPB pump 
itself is often referred to as <b>a heart</b>–lung machine or &quot;the ... Operations requiring 
the opening of the <b>chambers</b> of <b>the heart</b>, for example,&nbsp;... The pericardium is a double-walled sac containing <b>the heart</b> and the roots of the 
great vessels. ... It is continuous with the outer adventitial layer of the neighboring 
great <b>blood</b> ... The epicardium is largely made of connective tissue and <b>functions</b> 
as a ... The left phrenic nerve passes over the pericardium of the left <b>ventricle</b>. The electrical conduction system of <b>the heart</b> transmits signals generated usually 
by the ... The <b>ventricles</b> must maximize systolic pressure to force <b>blood</b> through 
the ... The AV node <b>functions</b> as a critical delay in the conduction system. Without
&nbsp;... <b>A cardiac</b> pacemaker is a medical device that generates electrical impulses 
delivered by electrodes to cause <b>the heart</b> muscle <b>chambers</b> (the upper, or atria 
and/or the lower, or <b>ventricles</b>) to contract and therefore pump <b>blood</b>; ... It is an 
emergency procedure that <b>acts</b> as a bridge until transvenous pacing or other 
therapies&nbsp;... The circulatory system, also called the cardiovascular system or the vascular 
system, is an ... The smallest <b>cardiac</b> veins drain directly into <b>the heart chambers</b>. 
... arterial (brighter and thinner) <b>blood</b>, each with distinct and separate <b>functions</b>. 
... Australian Diver Accreditation Scheme (ADAS); Commercial diver <b>registration</b> 
in&nbsp;...
the right atrium
Heart