circulation - energy for life Flashcards
adaptions of red blood cells
transports oxygen with biconcave disc shape for larger surface area to volume area
no nucleus so room for haemoglobin
haemoglobin binds to oxygen to form
oxyhaemoglobin
what side of the heart does deoxygenated blood enter from?
right
what side does oxygenated blood enter from?
left
what blood vessel pumps blood towards the heart
vein
ve(in to the heart)
which blood vessel pumps blood away from the heart
artery
a(way)rtery
what are the purposes of valves
to prevent backflow of blood that is travelling at a low pressure
which ventricular wall is thicker and why?
left because it needs to pump the blood further around the body and needs to pump blood at a higher pressure
right-VAVA lung VAVA-left
Right side of heart
Vena cava
Atrium (right)
Ventricle (right)
Artery (pulmonary)
Lungs to become oxygenated
Vein (pulmonary)
Atrium (left)
Ventricle (left)
Aorta
Rest of body
Repeated again
pulmonary is ?
lungs
pulmonary vein goes from the lungs to
the heart
pulmonary artery goes from the heart to
the lungs
hepatic is ?
liver
hepatic vein goes to
the heart
hepatic artery goes to
the liver
