Why is the heart described as an organ?

because it is a vital organ, something that you can't live without

An organ system can best be described?

Your heart is an organ AND a muscle.

The heart is an organ.

It is an organ. The heart belongs to cardio-vasculary organ system.

The heart is an organ in and of itself.

the heart is a muscle not an organ

The heart is an organ.

heart is a muscular and glandular ORGAN

Yes. the heart is a muscular organ.

The heart is an organ in and of itself. It is the mainstay of the circulatory system. (just to clarify that no other organ includes the heart)

Nope. The human heart is a muscle not an organ.

the heart is a part of organ system

Yes! The heart IS a muscle and is also an organ!

the heart is an organ while it is a part of the circulatory system

A heart is made up of tissue (cardiac tissue). By definition, an organ is a group of tissues, therefore the heart is an organ.

no the heart is an organ

the heart is our pumping organ

The heart itself is an organ. It is part of the circulatory system, though.

yes the heart is an organ

No, the human heart is an ORGAN, part of the cardiovascular system.

Because your heart is an organ that never stop beating.

The pancreas is generally described as a 'gland organ', as it contains both glands for endocrine and exocrine hormone/enzyme production. It is therefore technically both, but best described as a 'gland organ'.

This organ is the heart.

No. The heart is a muscle.