?
mouth
?
esophagus
name four organs in the digestive system
mouth, esophagus, stomach, intestine
?
stomach
?
intestine
?
nose
?
lungs
?
trachea
name three organs in the respiratory system
nose, trachea, lungs
?
kidney
name four organs in the excretory system
kidneys, ureters, bladder and urethra.
?
bladder
?
ureters
?
urethra
?
heart
?
blood vessels
