Capillaries are extremely small vessels located within the tissues of the body. They transport blood from the arteries to the veins. Oxygen, carbon dioxide, nutrients, and wastes are exchanged through the ... Read More

Scientists have discovered the world's smallest known fish. Measuring in at 7.9 millimeters, the Paedocypris progenetica fish was found in Indonesia. What's also interesting about this fish is that it is ... Read More

Anaphase is a phase in the cell cycle where chromosomes begin moving to opposite ends (poles) of the cell. Onion Root Tip Image: Shows a cell in mid anaphase. The ... Read More

Foodborne illness is caused by eating or drinking food that contains disease causing agents, sometimes referred to as 'bad bugs'. The most common causes of foodborne diseases are bacteria, viruses, ... Read More

The lateral ventricles are two curved shaped cavities located within the cerebrum. These ventricles provide a pathway for the circulation of cerebrospinal fluid and protect the brain from trauma. Credit: Image courtesy ... Read More

A new study published in the Jan. 12 issue of the journal Nature reveals that warmer temperatures and fungus growth are major contributors to the widespread extinction of amphibians. According to ... Read More

The cardiac cycle is the sequence of events that occurs when the heart beats. In the diastole phase of this cycle, the heart ventricles are relaxed as blood flows into ... Read More

The nucleus is the 'control center' of a cell. It contains the cell's hereditary information (DNA) and controls the cell's growth and reproduction. The nucleus also controls the synthesis of ... Read More

Scientists have used a specialized atomic force microscope to help provide insight into how cells are able to stretch, change shape, and move around obstacles. The researchers focused their attention on ... Read More

Researchers reveal that the presence of drug-resistant bacteria has increased in hospital intensive care units. The overuse of antibiotics is thought to be one of the causes. Why do we need ... Read More

Interphase is a phase in the cell cycle where a cell doubles its cytoplasm and synthesizes DNA. For more information on biology terms, visit the: Biology Glossary. Onion root tip ... Read More

Did you know that your heart is about the size of your clenched fist, weighs about 10.5 ounces, and is shaped like a cone? Take this quiz to test your ... Read More