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A ______ is an organ in the shape of a tube that takes food from your mouth to your stomach.
The _____ is an organ that pumps blood around your body.
There are small and large __________.
The organs that clean the blood and make urine are the _______.
The organ that is used to make and destroy substances is the _____.
The _____ are organs in our body that take oxygen out of the air and put waste carbon dioxide into the air.
The organ in the body used to break up food is the _______.
An organ in the shape of a tube that takes air to and from your lungs is the _______.
A ______ is a group of the same cells all doing the same job.
An _____ is a part of a plant or animal that is made up of layers of tissue.