transporting oxygen throughout the body
Typically, it is drawn from the antecubital vein, in the arm. It can be drawn from other veins, as well, including dorsal veins in the hands and feet, and from ports inserted into larger veins, for instance.
Yes. Blood is normally donated a pint at a time. The body replaces it within 2 weeks.
through insulin:
Normally, it doesn't. It'd require medical equipment, like when donating blood to make that happen.
diffusion
White blood cells.
Red blood cells in the human body are normally contained within the blood vessels. They may be stored in the spleen, and are produced in the red marrow.
Normally it means that your body is attempting to get rid of an infection.
Typically, three tubes of blood are drawn for a 3-hour glucose test. This test measures how your body processes glucose over a 3-hour period after you consume a high-sugar drink. The blood samples are drawn at different intervals to monitor your blood glucose levels.
with no food the body doesn't have a lot of energy to pump blood through the body, as it normally would.
The vessel that brings blood to the heart from the trunk and pelvic region is the inferior vena cava. It is one of the main blood vessels in the body, responsible for carrying deoxygenated blood from the lower half of the body to the right atrium of the heart.