Question

Q2. A is a straw-coloured liquid present in the human body which contains about 90 % B. It also contains biocatalyst C. Identify A and C. ​

Answer 1

A is plasma
B is blood

Answer 2

In the question, A is plasma B is blood.

Hints-

Plasma

• The liquid portion of blood. Plasma is the transport medium for delivering nutrients to the cells of the various organs of the body, for transporting waste products to the kidneys, liver, and lungs for excretion.  
• It plays an important role in maintaining normal blood pressure.

Blood

• Blood is a fluid which delivers necessary substances such as nutrients and oxygen to the cells and transports waste materials away from those cells.  
• it is made up of blood cells in blood plasma.