Major Organs of the Body

It is the basic unit of life.

• cell

• organ

• tissue

• system

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It pumps blood through the blood vessels by repeated, rhythmic contractions.

• lungs

• liver

• heart

• brain

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The name of the organ.

• stomach

• kidneys

• liver

• lungs

It breaks down excess proteins, maintain cholesterol and glucose levels in the blood.

• stomach

• small intestines

• large intestines

• liver

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It is a group of tissues.

• cells

• organs

• systems

• organism

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It controls the other parts of the body.

• brain

• heart

• muscles

• bones

It filters the blood of the human body and controls the level of fluid in the body.

• stomach

• kidney

• intestine

• muscles

It absorbs water and salts from the material that has not been digested as food.

• small intestine

• large intestine

• stomach

• liver

The name of the organ.

• muscles

• heart

• intestine

• bones

It secretes the final enzymes that completes the digestive process.

• kidney

• small intestines

• brain

• large intestines