Chapter 14, Problem 6CTQ

a.

Summary Introduction

To determine: why WBCs are found in lymph but no RBCs are present in it.

Introduction:

The blood has four major components plasma, WBCs, erythrocytes, and platelets. Plasma is the liquid component of the blood that is made up of water, ions, and proteins suspended in it. WBCs are responsible for fighting against the foreign bodies and are important for maintaining the immunity of the cell. Erythrocytes are important in gaseous exchange and platelets are important clotting factors.

b.

Summary Introduction

To explain why the swollen lymph nodes is an indication of microbial infection.

Introduction:

The lymph circulates across the body through the lymphatic system. The lymph act as a mediator for the exchange of gases between the RBCs and the body tissues and it is also important in fighting antigens and transporting urea and other toxins from the cell to the blood.