upper part
middle part
lower part
100

the tube that carries air from your throat to your lungs 

trachea


 

100

a large organ in the body that cleans the blood and produces bile, or this organ from an animal used as meat

liver

100

either of a pair of small organs in the body that take away waste matter from the blood to produce urine

kidney

200

an organ in the body where food is digested

stomach

300

the organ in your chest that sends the blood around your body

heart

300

a small tube-shaped part that is joined to the intestines on the right side of the body and has no use in humans

appendix

400

either of the two organs in the chest with which people and some animals breathe

lung

400

an organ near the stomach that produces and cleans the body's blood

spleen