Capillaries

The superior vena cava.

hepatic portal system... ;)

they're called dermal papillae

When doctors draw blood from patients, the blood samples are often frozen as they are transported to a laboratory for analysis. Freezing the blood limits the possibility that the sample will degrade. A degraded sample can result in an improper or incomplete diagnosis of an illness.

it means its dying

A paper towel absorbing liquid is an example of capillary action.

small veins.

arterial walls has smooth muscle and elastic fibers (strong and flexible) and capillaries are made up of a single layer of endothelial cells (thin).

interstitial fluid

The arteriovenous capillary bed is formed when very small arteries come together with very small veins. These very small veins are called venules and the very small arteries are called arterioles. This is where gas exchange occurs between the circulatory system and the cells.

If you're not getting enough protein in your diet the body turns on itself and starts to consume it's own proteins. These are the structural proteins in cells and tissues and the soluble proteins (including blood proteins, enzymes, antibodies and the like). This leads to loss of tissue and a reduction in the concentration of blood proteins. These soluble blood proteins - found in the plasma - are responsible for creating the osmotic pressure which draws tissue fluid into the capillaries. The reduction in the osmotic pressure gradient between blood and tissue fluid means that more fluid leaves the capillaries at the arterial end and less is re-absorbed at the venous end of the capillary network. The fluid then builds up in the tissues, a condition known as oedema.

It is one of the body's cooling mechanisms, apart from sweating after a period of excercise or a hot day veins come closer to the skin to cool. Nothing to do with blood pressure. The hands, temples, and neck are most noticable.

Gravity

fluid entering the capillary

Vasa Recta

The singular of capillaries is capillary.

As in "we all have a capillary"

hepatic portal vein.

In muscles and other body tissues, there are capillary beds which connect arterial supply and venous return.

Arteries end as capillaries in the body tissue, where blood dumps oxygen and nutrients for use by muscles. At this point they are considered arterial. They may also pick up waste products to carry away. By the end of the capillary beds, they are depleted and considered venous. They flow continuously into the veins which flow back to the heart.

The heart sends this blood to the lungs to pick up oxygen and the cycle continues.

lymph

blood has a higher protein concentration than the tissue fluids

The first drop of blood is wiped away because it is mainly just tissue.

gas exchange

God made it that way and it doesn't need to be described as it is God's will

Capillary are the smallest of the body's blood vessels and connect and break off into other arteries, blood vessels, or other areas of the body. Capilaries usually are found in between the major blood vessels and the tissue and can carry water, oxygen, carbon dioxide(CO2) The capillaries are one of the commonly used blood vessels in your body. They help join together all arterioles and venules in the body and connects the minor blood vessels in the heart.
The function of capillaries is to deliver oxygen and other nutrients to the cells of the body, and remove toxins including carbon dioxide. Capillaries are only one cell thick, and have the lowest blood pressure of any blood vessel in the body.
The function of the capillaries is to transfer oxygen and nutrients from the bloodstream to the various body tissues.
to exchange the materials between the blood and the body cells