The walls are?
Thick
what is the function of the erythrocytes
transports nutrients, and oxygen in the body
what is the structure of veins?
They have thin walls
how long do leukocytes live?
1-3 days
what is the main form of waist disposed?
carbon dioxide.
what do arteries carry?
Oxygenated blood
what do erythrocytes carry
oxygen
what do veins require
pressure
what is another name for leukocytes?
white blood cells
what is the function of the heart
the heart pumps blood through out the body
why do arteries have thick walls?
because there is a lot of pressure
how much do erythrocytes make u blood
about 50%
what do veins carry?
deoxygenated blood
where are leukocytes produced?
the bone marrow
how many ventricles are in the heart?
2
where does blood go from the artery?
to the heart
what is another name for erythrocyte?
red blood cells
where do veins flow?
towards the heart
which system is involved with teh leukocytes
the lymphatic system
oxygen
which artery carries deoxygenated blood?
Pulmonary artery
what kind of shape do erythrocytes have?
a biconcave disc
which vein carries oxygenated blood?
pulmonary vein
what do leukocytes help with
defends the body from disease
what supplies the pulmonary artery
oxygenated blood