Heart and Blood Flashcards
vena cava
large vein that carries blood to the heart
right atrium
top right chamber in the heart
semi lunar valve
allows blood to flow into the arteries from the ventricles and prevents backflow
tricuspid valve
controls blood flow from the right atrium to the right ventricle
right ventricle
bottom right chamber in the heart
left ventricle
bottom left chamber in the heart
left atrium
top left chamber in the heart
bicuspid valve
controls blood flow from left ventricle to the aorta
pulmonary vein
carries oxygenated blood to the left side of the heart from the lungs
pulmonary artery
carries de-oxygenated blood to the right side of the lungs from the right side of the heart
what does blood contain
plasma
red blood cells
platelets
phagocytes
lymphocytes
plasma
straw-coloured liquid
transports glucose, urea, hormones, heat and blood cells
red blood cells
small biconcave red cells that transports oxyhaemoglobin
platelets
cell fragments
release chemicals when blood is exposed to air
clots the blood
phagocytes
lobed nucleus for flexibility
engulfs and digests pathogens with enzymes