What are the two colours of blood cells?
White and red
What is the main organ of the circulatory system?
The heart
How many chambers does the heart have?
4
what does the heart pump?
blood
what colour is deoxygenated blood?
blue
_______ s carry oxygenated blood from the heart to all parts of the body
Arteries
________s collect oxygen-poor blood and return it to your heart
veins
__________s are the smallest type of blood vessel
capillaries
_____a is the the liquid portion of blood
plasma
% of blood made of plasma
55%
Plasma is made of 92% of ________.
water
__________s are fragments in our blood that form clots to stop bleeding.
platelets
