Nephrons - basic functioning unit of kidneys
Pancreas - secretes digestive enzymes
Ball and socket joint - attachment of leg to pelvic girdle at hip
Pivot joint - attachment of vertebrae to skull
Villi - projections inside small intestine
Patella - knee cap
Gall bladder - stores bile
Tubules - reabsorption by the kidney of needed materials
Alveoli - tiny sacs within the lungs
Insertion - muscle attachment to more movable bone of a joint