female hand with a blue disposable medical glove jerks a jar for analysis against the background of a yellow child pot

accustom ache analysis background bathroom blue bottle care check chemical child clinic clinical closet collecting copy cup demolished diagnosis disposable doctor droppings drugs equipment excrement feces female glove hand health healthy hospital human hygiene isolated jar jerks laboratory light location medical medicine plastic poop pot potty research sample sanitary science sitting small sterile stomach stool test toilet toiletries urinate urine white yellow