Biology
Which of the following is true about blood plasma?

It is about 90% water
It is the same as serum but without the clotting proteins
It is a faint yellow fluid
The main protein component is hemoglobin

ANSWER DOWNLOAD EXAMIANS APP

Biology
Function of pace maker is

To start the process of respiration
To regulate the process of digestion
To initiate heart beat
To regulate the formation of urine

ANSWER DOWNLOAD EXAMIANS APP