Circulatory System Crossword

tubes that blood flows through
tubes that carry blood away from the heart
smaller vessels that join arteries to capillaries
chamber of the heart that receives blood from the lungs
main artery that moves blood from the heart
vessels that gas, nutrients, waste exchange occurs between blood and body tissue
cell that transport O2 from the lungs and delivers it to the body cells
cells that contain no hemoglobin, defend body against infection
sticky threads that tangle to make a web to help clot blood
made up of plasma, rbc, wbc, platelets, transports nutrients, gases, hormones, waste
flaps of tissue that prevent blood from flowing backwards
largest chamber of the heart, moves oxygenated blood to body through aorta
movement to and from
node that signals the ventricles to contract
pathway of blood circulation between the heart and lungs
pumps deoxygenated blood to the lungs
blood circulation between heart and body (except for lungs)
muscle with 4 chambers that contract
generates the electrical signal to contract the heart atria (the pacemaker of the heart)
pressure that occurs when ventricles relax
iron rich protein found in red blood cells
tubes that have valves to prevent backflow of blood to the heart
smaller vessels that join veins to capillaries
pressure in the arteries when the ventricle contracts
cell fragments produced in bone marrow to help in clotting blood
has large amounts of CO2 in blood
-subunit of molecule made up of Fe and O2
relationship of hemoglobin for O2
a rhythmic flow of blood
number of heartbeats per unit of time
thick wall of tissue that separates the heart ventricles
pale-yellow fluid that is made up of 90% water that is 55% of the actual blood cells