Lesson One: Fast Facts

Boy Body Girl Body The human body is made up of a head, neck, torso, two arms and two legs.   The average height of an adult human is about 5 to 6 feet tall.   The human body is made to stand erect, walk on two feet, use the arms to carry and lift, and has opposable thumbs. The adult body is made up of: 100 trillion cells 206 bones 600 muscles 22 internal organs