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Valves?
Capillaries
a valve
They are called valves, or leaflet valves in the veins, that interlock to prevent backflow of the blood.
Sodium (Na).
blood tissue is a tissue which transports the red blood cells ,white blood cells and platelets around the human body.
leukemia (loo-KEE-mee-uh) Cancer that starts in blood-forming tissue such as the bone marrow and causes large numbers of blood cells to be produced and enter the bloodstream. http://www.cancer.gov/templates/db_alpha.aspx?searchTxt=blood+cancer&sgroup=Starts+with&lang=
Blood is a connective tissue
No the way the valves of the heart are set up causes the blood to move in one direction only.
veins, they have valves, the reason why they have them is because blood flow is slow
Blood is a connective tissue that has a liquid matrix.
no blood takes oxygen throught your body while blood tissue im thinking is a soft tissue under the skin