
12 puzzles · all free to play and print
Body Systems Word Search
Free Body Systems word search puzzles to print or play online.
Play online or print
The Big Picture
8 words to find
- HEART
- LUNGS
- BRAIN
- STOMACH
- SKIN
- BLOOD
- SYSTEM
- ORGAN
Drag from the first to the last letter of a word, or tap the first letter and then the last. The PDF has the puzzle on page 1 and the answer key on page 2.
All 12 Body Systems puzzles stay free here. Want them as one printable booklet?
All 12 Body Systems word search puzzles
twelve puzzles in three levels. Easy puzzles are 10 by 10 grids with eight words across and down. Medium puzzles are 13 by 13 with twelve words and diagonals. Hard puzzles are 16 by 16 with eighteen words in every direction, backwards too. The sub-themes include Breathing, Digestive System, Nervous System, Endocrine System and Lymph and Immune System. Every puzzle has an answer key and prints on US Letter or A4. Every one of these 12 puzzles is free: play it online above or print its PDF, with the answer key on page 2. No account, no email.
Easy: across and down 4 puzzles
Medium: across, down and diagonal 4 puzzles
Hard: every direction, backwards too 4 puzzles

Optional · all in one file
Want all 12 in one booklet?
You do not need it: every Body Systems puzzle above is free to play and to download one by one. The booklet is only for printing them all at once, a 26-page PDF with a cover, a contents page and the answer keys at the back. Buying it also keeps this site free for everyone.
One-time payment, secure checkout with Stripe. US Letter and A4 PDFs, the download link arrives by email.
How to use these Body Systems word searches
Use an easy puzzle to open a unit on how the body works, and give the matching medium puzzle when you cover each system. Students can sort the words they find by system on a chart. Science tutors and homeschool families can use the hard puzzles to review before an anatomy exam. Each PDF has the puzzle on page 1 and the answer key on page 2.
Make your own Body Systems word search
Add your own words, a name or a class list to these body systems words and pick a level. The preview is free; the printable PDF with its answer key is $1.99.
Good to know about Body Systems word search
Every Body Systems puzzle on this page is free to play online and free to print as a PDF with its answer key, one by one. Only the optional booklet, all 12 puzzles bundled into one print-ready file, costs money.
Try The Big Picture, Breathing or Eating and Digesting. They are 10 by 10 grids with eight everyday words like heart, lungs and chew that run across and down only.
The medium level has Circulatory, Respiratory, Digestive and Nervous puzzles, and the hard level adds Endocrine, Lymph and Immune, Skin and Kidneys, and Senses and Receptors. Bones and muscles appear in Bones and Moving.
The medium puzzles use terms such as alveoli, diaphragm, duodenum, synapse and myelin, which match typical grade 6 to 8 units. The hard puzzles go further with terms like glomerulus and thyroxine.
Easy puzzles (10 by 10, words across and down) work from about age 6. Medium puzzles (13 by 13, diagonals added) suit ages 8 to 11. Hard puzzles (16 by 16, every direction, backwards too) are for older kids and adults.
Page 2 of every PDF is the answer key, with each word marked where it hides. When you play online, the Show answers button marks them on the grid.
Every puzzle comes as a US Letter PDF (8.5 by 11 inches) and an A4 PDF (210 by 297 mm). Print at 100% or Actual size.
Every puzzle on this page plays in the browser on a phone, tablet or computer: drag or tap from the first to the last letter of a word. Nothing to install and no account.
Print as many copies as you need for your home, classroom, church group or care home. Please link to this page instead of uploading the files elsewhere.











