PDF chapter test TRY NOW

Analyse the following statements and identify the correct ones:
 
1. Statement 1: Lymph is colourless and is also called tissue fluid.

Statement 2: Lymph contains erythrocytes.

Statement 3: Lymphoid organs secrete lymph.

Statement 4: Lymph has higher concentration of proteins than blood.
 
2. Statement 1: Oxygen is carried by haemoglobin as it has a high affinity for oxygen.

Statement 2: Cilia in the upper respiratory tract assists in the removal of microorganisms, dust and other harmful particles present in the inhaled air.

Statement 3: Use of tobacco affects only the lungs.

Statement 4: Due to smoking, the surface area available for gaseous exchange increases.