MICROANATOMY

Detailed explanation-1: -Capillaries are thin walled blood vessels. They are the sites of the transfer of oxygen and other nutrients from the bloodstream to other tissues in the body. Ccarbon dioxide from the cells enters the blood through the capillary walls.

Detailed explanation-2: -Arteries are thick-walled vessels that perfuse organs. Capillaries connect arteries to veins and are the main sites of nutrient/waste exchange.

Detailed explanation-3: -As blood moves through the capillaries, the oxygen and other nutrients move out into the cells. Then waste matter from the cells goes into the capillaries. As the blood leaves the capillaries, it moves through the veins. Veins merge into larger tubes to carry the blood back to the heart.

Detailed explanation-4: -Capillaries are exchange vessels. Gases (oxygen and carbon dioxide), nutrients, and wastes pass in both directions across capillary walls. Blood flow in capillaries is pushed by the pumping of the heart. Since water gets though cell membranes easily, the circulating blood moves water through every cell of the body.

Detailed explanation-5: -Capillaries: These tiny blood vessels have thin walls. Oxygen and nutrients from the blood can move through the walls and get into organs and tissues. The capillaries also take waste products away from your tissues. Capillaries are where oxygen and nutrients are exchanged for carbon dioxide and waste.