The largest organ.
Skin
Protects your brain.
Skull
Gives your body oxygen.
Lungs
Kill off sickness.
White blood cells
It pumps blood to the rest of the body.
Heart
The largest bone in your body (hint; there's two of them)
Femur
The suffix that means lung.
Pulmo
Bone marrow
Breaks down food.
Stomach or Mouth/teeth
Protect your lungs and other organs. And are delicious when got from pigs.
Ribs
The thing that makes talking possible.
Voice Box OR Vocal Cords
First line of defense.
Skin
Gives your body oxygen.
Lungs
Your bones make around 2.5 million of these per second.
Red Blood Cells
You breath though it when you don't with your mouth.
Nose
Finds and kills pathogens.
Lymph nodes
Large intestine
The smallest bone in your body located in your ear
the stapes
Connects mouth to larynx & esophagus
The Pharynx
Its acid kills bacteria.
Stomach