Wall of blood capillary is formed of

Options

A. haemocytes
B. parietal cells
C. endothelial cells
D. oxyntic cells

Answer

C

Explanation

(c ) Each capillary is lined by a single layer of flat cells, called endothelium. The endothelium allows the exchange of materials like the nutrients, respiratory gases, waste products, hormones, etc between the blood and surrounding tissues called through the tissue fluid.