
Mention the comparative anatomy of vertebrate heart.
Important Questions on Circulation

In fishes, the blood is oxygenated in the _____.


Read the given para and name the parts of the heart.
The holes that connect the two chambers are called apertures. Let us try to name the apertures which connect the atria and ventricles.
The aperture that connects the right atrium and right ventricle can be named as _____. (right atrioventricular aperture/ cardiac aperture/ right semilunar aperture)

_____ is a muscular organ that pushes the blood around the body.

The relaxation of the heart chambers is called _____.



The contraction of the heart chambers is called _____.


Read the given para and name the parts of the heart.
We have observed that the heart is divided into four chambers by muscular structure. Any structure that divides two chambers is known as a septum. Now let us try to name the septa present in the heart.
The septum that divides the atrium and ventricle can be named as _____. (inter-ventricular septum/ inter-atrial septum/ atrioventricular septum)
Read the given paragraph and name the parts of the heart.
The holes that connect the two chambers are called apertures. Let us try to name the apertures which connect the atria and ventricles.
The aperture that connects the left atrium and left ventricle can be named as _____. (right atrioventricular aperture/ left atrioventricular aperture/ left semilunar aperture)
In humans, the heart is located in the _____ cavity.



The oxygen-rich blood goes from the lungs to the _____.

Write the correlated terms?
Diastole phase : _____ :: Pulmonary circuit : Systematic circuit.

Fill in the blank with the options provided in the bracket.
Heart is situated in the middle of the _____ (cranial, thoracic, pelvic) cavity.

Read the given para and name the parts of the heart.
We have observed that the heart is divided into four chambers by muscular structure. Any structure that divides two chambers is known as a septum. Now let us try to name the septa present in the heart.
The septum that divides the two ventricles can be named as _____. (inter-ventricular septum/ inter-atrial septum/ atrioventricular septum)
