Capillaries

The blood cells carry carbon dioxide to the lungs which, through the mechanism of breathing, gaseous exchange takes place with the carbon dioxide leaving the body while someone breathes out. When they breathe in again, the blood cells in the pulmonary capillaries get loaded with oxygen and the new oxygen rich blood goes to the heart to be sent around the body.

Capillaries take oxygen and nutrients from the blood to the cells in the body. They also remove waste products, such as carbon dioxide, from the cells.

it is in your wrist

Capillaries have spaces between endothelial cells to allow for the exchange of gases, nutrients, and waste products between the blood and surrounding tissues. This structure, known as intercellular clefts, facilitates the transfer of substances through the capillary wall.

Veins can vary in size depending on their location in the body. However, most veins range in size from under 1 mm to a few millimeters in diameter. The largest veins, such as the vena cava, can be several centimeters in diameter.

No, heart chambers are separate from veins and arteries. The heart chambers are internal compartments that receive and pump blood, while veins and arteries are blood vessels that transport blood throughout the body.

Coronary arteries and veins are found on the surface of the heart, branching out across the myocardium (muscle tissue of the heart). The coronary arteries supply oxygen-rich blood to the heart muscle, while the coronary veins collect oxygen-depleted blood from the heart muscle and return it to the circulation.

Through oncotic pressure the body is able to hold water in the bloodstream. If this excess in pressure decreases, from conditions like liver disease, water will leak into surrounding organs and tissues preventing it from moving from point a to point c.

The correct idiom is 'Live in vain.'
This is to have a wasted life. To have failed to achieve anything or have ones achievements nullified.

Actually no you don't. blood will make its way back to the heart in another vein as there are many that return to the heart. Although when people talk about poor circulation in their legs this is usually where it comes from. but its better to take care of your heart than your legs.

There is no such thing as an arterial vein. You either have an artery, or a vein. Arteries move blood away from the heart, and veins move blood to the heart. Also, arteries carry blood that contains oxygen to the various parts of the body, whereas veins carry blood that needs oxygen to the heart and lungs.

I assume you mean "Why do veins in the head and face lack valves?"

The answer is due to being organisms with upright posture. You need valves in your legs to keep the blood from falling down to your feet, and instead propel the blood to your heart. Your head, though, is above your heart, so you don't want valves trapping the blood in the head. That would cause headaches and perfusion issues. So lacking valves allows blood to flow down to the heart.

Filter paper can introduce impurities or substances that can affect the melting point determination of a solid when powdered on it, as filter paper itself may contain residues or impurities. Also, filter paper can absorb the sample, making it difficult to transfer and introduce it into a capillary melting tube accurately. It is better to use materials like glass plates or watch glasses for powdering solids before introducing them to a capillary melting tube to avoid such issues.

Hydrostatic pressure in the interstitial fluid is lower compared to the pressure in the blood vessels because of the resistance offered by the capillary walls and the lymphatic system. This pressure gradient allows for the movement of fluids and nutrients between the blood vessels and the tissues.

Some examples of sadistic humor or actions to avoid include laughing at others' misfortunes, causing harm or distress to others for amusement, or showing a lack of empathy for others' feelings. It is important to be mindful of how our actions and words can impact those around us and to treat others with kindness and respect.

A capillary stencil is a type of stencil used for screen printing. It consists of a thin mesh screen with small openings that allow ink to pass through onto a substrate. The capillary action of the stencil helps to control the flow of ink and create sharp, detailed designs.

The net inward pressure in venular capillary ends is less than the net outward pressure in arteriolar ends of capillaries because of two main factors: the hydrostatic pressure and the osmotic pressure. In venular capillary ends, the hydrostatic pressure is reduced due to the resistance of the venous system, while the osmotic pressure remains constant. In arteriolar ends, the hydrostatic pressure is higher due to the force exerted by the heart and the osmotic pressure remains the same. As a result, more fluid is filtered out of the capillaries at the arteriolar ends than is reabsorbed at the venular ends.

very thin, often a cell thick

not simply by getting an erection. An erection is caused when the capillaries carrying the blood round the penis constrict causing higher pressure, but they will never constrict so much that they burst or 'blow up', as you put it.

It is possible for damage to be caused similar to this if the erect penis is bent too far though; 'fracturing' the penis causes an audible snapping sound, unbelievable pain like no other and an incredible amount of damage to the inside workings which often have permanent effects.

Capillary exchange is the process by which substances, such as oxygen and nutrients, are exchanged between the blood in capillaries and the surrounding tissues. This occurs through diffusion, facilitated diffusion, and active transport. The exchange is driven by a concentration gradient and the movement of substances across the capillary wall is regulated by small pores called fenestrations and by the presence of transport proteins.

Hematology

yes lymph capillaries hav semilunar valves