This printable crossword puzzle on the topic of Human Body Systems has 20 clues. Answers range from 2 to 20 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Transports oxygen, nutrients, and other substances throughout the body, and removes waste from tissues
Upper chamber of the heart that receives blood from the rest of the body
Lower chamber of the heart that pumps blood out of the heart to the rest of the body
Flaps of connective tissue that are located between the atria and the ventricles
Path of circulation between the heart and lungs
Path of Circulation between the heart and the rest of the body
A small group of cardiac muscle fibers that maintains the heart`s pumping rhythm by setting the rate at which the heart contracts
Large vessels that carry blood from the heart to the tissues of the body
The smallest blood vessels; brings nutrients and oxygen to the tissues and absorbs carbon dioxide and waste products
Blood vessels that carry blood from the body back to the heart
Straw-colored liquid portion of the blood
Blood cells containing hemoglobin that carries oxygen
Blood cells that guard against infection, fight parasites, and attack bacteria
Protein in red blood cells that binds oxygen and transports it to the body
Cell fragments released by one bone marrow that help in blood clotting
Fluid that is filtered out of the blood
A condition in which fatty deposits called plaques build up in artery walls, eventually causing the arteries to stiffen
The cholesterol carrier most likely to cause trouble for the circulatory system because it becomes part of plaque
A person`s LDL level should be less than ___ mg/dL
A Man`s HDL level should be higher than ___ mg/dL