This printable crossword puzzle on the topic of Human Body Systems has 12 clues. Answers range from 4 to 14 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Muscles you can control
Muscle that moves bones
Muscle that you cannot control
The outer, thinnest layer
Covers and insulates the body
The largest organ
Muscle found only in the heart
To keep you cool
Carries energy-rich nutrients to the muscles
An organ that can relax and contract
Pigment that protects the skin and gives it color
The middle layer contains oil, sweat glands,etc.