a lady is showing a selecton in a table top projector  a seleton is kept behing the lady
a lady is showing some science project
a lady pointing out things on a human bones diagram
a person showing slides of the skeleton an a projector
a professor is teaching some science
a video about anatomy
a woman gives a presentation on human musculature
a woman is reviewing a skeleton on an overhead projector
a woman is sketching on a projector
a woman is talking about human body
a woman puts a picture of bones on an overhead projector for others to see
a woman showing anatomical drawings
a women explaining the skeletory system
person is matching paper
someone is putting a skeleton slide on a projector
the women is explaining about human skeleton
woman is drawing an anotomical diagram
a woman puts a picture of bones on an overhead projector for others to see
a women explaining the skeletory system
a lady is showing a selecton in a table top projector  a seleton is kept behing the lady