This printable crossword puzzle on the topic of Human Body Systems has 10 clues. Answers range from 5 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Tiny blood vessels connecting veins and arteries
Chemical messengers secreted by a variety of glands
Tiny hairlike structure in the small intestine through which nutrients are absorbed
Large instestine
The food mass as it has been mixed with gastric juices
The end of the stomach nearest the intestine
The muscle at the base of the esophagus that prevents gastric reflux from moving into the esophagus
A substance that causes another substance to react
rhythmical movement of the intestinal tract; moves the chyme along
The addition of water resulting in the breakdown of the molecule