List of top Biology Questions on body fluids and circulation

Match List I with List II:

List I		List II
A	P wave	I	Heart muscles are electrically silent.
B	QRS complex	II	Depolarisation of ventricles.
C	T wave	III	Depolarisation of atria.
D	T-P gap	IV	Repolarisation of ventricles.

Choose the correct answer from the options given below:

Cerebrospinal fluid (CSF) uses were given below. Identify the incorrect use by eliminating it.

How many heartbeats does a person have in 1 minute on average?