Transport in animals Crossword

This printable crossword puzzle has 12 clues. Answers range from 5 to 17 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

___________ in the heart make sure blood is circulated in one direction only
The mammalian circulatory system is described as ____________
The right side and left side of the heart is separated a layer of tissue called ______
Arteries that provide the muscle tissues with oxygen and glucose
The valve between the right atrium and right ventricle
The blood vessel that brings oxygenated blood to the heart
The chamber of the heart that has the thickest wall
The largest vein in the body
The largest artery in the body
Tiny blood vessel, connect arteries to veins, very thin walls
The fluid inside the lymphatic system
Liquid part of the blood