Cardiovascular system Flashcards
plasma
the yellowish, liquid part of blood that contains water, minerals, food and wastes from cells.
red blood cells
living cells in the blood that transport oxygen to all other living cells in the body.
haemoglobin
the red pigment in red blood cells that carries oxygen.
oxyhaemoglobin
haemoglobin with oxygen molecules attached to it.
white blood cells
living cells that fight bacteria and viruses as part of the human body’s immune system
platelets
small bodies involved in blood clotting. They are responsible for healing by clumping together around a wound.
oxygenated blood
describes the bright red blood that has been supplied with oxygen in the lungs
deoxygenated blood
describes blood from which some oxygen has been removed
valves
flap-like folds in the lining of a blood vessel or other hollow organ that allow a liquid, such as blood, to flow in one direction only
blood pressure
measures how strongly the blood is pumped through the body’s main arteries
artery
muscular-walled tubes forming part of the circulation system by which blood is transported from the heart to all parts of the body.
vein
a thinner walled tube that allows the deoxygenated blood to travel towards the heart.
capillary
tube that can be one cell thin.
macrophage
a large phagocytic cell that eats the bacteria or virus preventing disease
centrifuge
a machine with a rapidly rotating container that applies spinning force to its contents, separating the liquids that have difference densities.
