CAPILLARY (smk biologi human capillary).pptx

human capillary structure

1. CAPILLARY Structure of capillary Thinnest wall : one call thick without any muscle or elastic tissue No valves Smallest lumen

2. Functions of capillary Allows the exchange of gases,food and waste products between the blood and the body cells via diffusion through the thin wall of the capillary Circulation of blood in capillary Slow blood flow under decreasing blood pressure No pulse