QUESTION: answer this: which club has won most uefa champions league titles??

ANS: Real Madrid

QUESTION: answer this: what percentage of blood is made up of plasma??

ANS: about 55%

QUESTION: answer this: the highest rank in the warrior class of japanese feudal society was the??

ANS: Samurai

QUESTION: answer this: the walls of the alveoli are mostly made of??

ANS:
collagen and elastic fibres