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Most fish have only two heart chambers.

Amphibians and some types of primitive fish have four heart chambers, and the fourth one of these is known as the conus arteriosus.

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15y ago

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The fourth chamber of a fish heart an elongated pump is known as the?

conus arteriosus


What is the lower chamber in a frog's heart?

The lower chamber is the ventricle, and there are 2 upper chambers (they are known as atria).


What is a lower chamber of the heart also known as to cavities within the brain?

Ventricals


Types of heart as to chamber of the heart?

The heart's uppermost chambers are known as atria (pl) artium (s) The Lower ones are ventricles


What happens As the heart chamber contracts what happens to the fluid in the chamber?

As the heart chamber contracts, the pressure within the chamber increases, forcing the fluid (blood) out of the chamber and into the arteries. This contraction, known as systole, reduces the volume of the chamber while propelling blood forward to supply the body with oxygen and nutrients. Simultaneously, the valves ensure that blood flows in the correct direction, preventing backflow.


What is the name of the deciding chamber?

I believe you mean descending and not deciding chamber of the heart. If thats the case the two lower chambers of the heart are known as the left anterior descending artery or LAD for short also known as the "widow maker". The other side is called the circumflex.


What the lower chambers of the heart?

one lower chamber of the heart is known as ventricle, in human there are two ventricals ...while in frog there is only one ventricle.


How many compartments does the heart have?

The heart is divided into 4 chambers: 2 on the right hand side and 2 on the left. Each upper chamber is known as an atrium and each lower chamber as a ventricle. The 4 compartments are known as: the right atrium; the right ventricle; the left atrium and the left ventricle.


Where is the upper right chamber?

The upper right chamber of the heart is known as the right atrium. It is located in the upper portion of the heart, receiving deoxygenated blood from the body through the superior and inferior vena cavae. The right atrium then pumps this blood into the right ventricle, which sends it to the lungs for oxygenation.


What is the function of the heart auricle in the cardiovascular system?

The heart auricle, also known as the atrium, acts as a receiving chamber for blood returning to the heart. It helps to regulate the flow of blood into the ventricles, ensuring efficient circulation throughout the cardiovascular system.


What node serves as the pacemaker of the heart?

The SA node acts as the primary pacemaker for the heart. It is located in the right atrium.


What is a large underground chamber called?

The Sarawak Chamber is the largest known cave chamber in the world. The Sarawak Chamber is a cave that is located underground in the country of Malaysia.