circulatory system Flashcards
what do white blood cells help do
fight different types of disease
where does the blood leave
Through arteries
where does the blood return through
Through veins
what does blood carry around the body
oxygen nutrients and hormones
what are capillaries
They are tiny blood vessels that connect the arteries to the vein
The adaptation of arteries
Thick, elastic and muscular walls
The adaptation of veins
Thin walls, valves to stop backflow
Function of the capillaries
Exchange substances with body tissues
what do veins carry towards the heart
Deoxygenated blood
which artery is low in oxygen w
A pulmonary artery carries deoxygenated blood
What can white blood cells make
Antibodies
what do platelets help with
They help clot blood
why is it important for blood to clot
helps stop us from loosing too much blood and stops harmful germs from entering the body
What is oxygenated blood
blood that is high in oxygen and low in carbon dioxide
What are the 3 main
