You see your veins. These veins are under the skin. There are blood vessels, nerves and oil glands in the skin but they can't be seen by the human eye. To have healthy skin, you need to take baths regularly, and keep your hair and nails clean. This is called good grooming.
Good grooming is important for appearance and health.
Show a filmstrip on the skin. Use a microscope to examine skin cells. Have students draw and label their observations. Make a list of good grooming tips. Post the list in the classroom.