Bones
This is the common name for the cranium, which protects your brain
skull
This muscular organ pumps blood to the rest of your body
heart
These tough tissues connect your muscles to your bones
tendons
These vessels carry blood away from the heart
arteries
Humans are born with about 300 of these, but by the time they are adults, they only have 206 because many fuse together.
These curved bones form a "cage" to protect your heart and lungs
ribs
You have a pair of these organs that fill with air when you inhale
This "super-muscle" in your mouth helps you talk and swallow
tongue
This red liquid carries oxygen to all your cells
blood
This is the only part of the human body that cannot heal itself; it has no blood flow and is covered in enamel.
teeth
This is the longest and strongest bone in the human body, found in the thigh
femur
This is the largest organ of the human body, covering you from head to toe
skin
When you " show off " in your upper arm, you are flexing this muscle
biceps
This is the scientific name for your "windpipe"
trachea
This vestigial organ is a small pouch attached to the large intestine; for most people, it has no known function.
appendix
This is the common name for the patella
kneecap
This organ is the "control center" of the body
This is the large, flat muscle under your lungs that helps you breathe
diaphragm
These are the "pipes" that carry blood back to the heart
These are the smallest bones in the human body, found deep inside the ear
occicles
This "collarbone" connects your shoulder blade to your breastbone
clavicle
This J-shaped organ breaks down food using acid
stomach
This is the only muscle in the body that never gets tired
heart
Most of your food’s nutrients are absorbed in this long, coiled tube
small intestine
This is the most common blood type in the world
O positive