Check out the series on the respiratory system,    • Breathing  

An artery can be defined as a blood vessel which carries;
a. oxygenated blood
b. deoxygenated blood
c. blood towards the heart
d. away from the heart 

A vein can be defined as a blood vessel which carries;
a. oxygenated blood
b. deoxygenated blood
c. blood towards the heart 
d. away from the heart

Blood spurting from a cut indicates injury to;
a. veins
b. capillaries
c. arteries 
d. lymphatic afferent vessels

Which vessels are the most sensitive to pain?
a. veins
b. capillaries
c. arteries 
d. lymphatic afferent vessels