Question

Fill in the blanks.

(xii) The substances transported to and from the tissues diffuse through the walls of ________.

Answer 1

Tissue fluid:

1. The substances that are required by the body reach the tissues and the unwanted substances are removed from the tissues by tissue fluid.
2. The tissue fluid enters the lymphatic system, then known as lymph, and performs various functions.

Walls of Capillaries:

1. While the blood passes through the blood capillaries, the colorless fluid that comes out of the capillaries and fills the intercellular spaces is called the tissue fluid or interstitial fluid, or extracellular fluid.

The substances transported to and from the tissues diffuse through the walls of capillaries.