Insulin's function is to help regulate glucose levels in the blood by transporting glucose into the cells of the human body. If a person doesn't produce enough insulin or doesn't respond well to insulin, he may have diab... More » Science Biology Molecular Biology & DNA

The primary functions of the liver are to process nutrients from food, produce bile to aid in digesting food, filter toxins and waste from the bloodstream, and produce proteins. The liver is the heaviest organ in the bod... More » Science Human Anatomy Organs

The function of the pancreas is to help with digestion. It mainly does this by secreting insulin, which helps the cells in the body use glucose, which is their main fuel. The pancreas also secretes other digestive juices... More » Science Human Anatomy Organs
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Two examples of active transport include the root hair cells in plants taking in mineral ions and humans taking in glucose through their intestines. In general terms, active transport refers to a substance moving from ar... More » Science Biology Molecular Biology & DNA

People with diabetes experience sudden weight loss, as inadequate insulin hampers the body from obtaining glucose from the blood to be used as energy in the body's cells, according to This makes the body ... More » Health Conditions & Diseases

Active transport is important for cellular function because it moves important items, such as calcium and glucose, into and out of cells. Proteins sit on the cell membrane, with one part inside and one part outside the m... More » Science Biology

The main function of white blood cells is to help protect the human body from infection as well as other foreign materials. White blood cells are also known as leukocytes, and they develop in bone marrow from stem cells. More » Science Biology