All three were hooked up to machines that provided a readout of their vital signs, and all three were prepared to have a ...

Neurons are cells in the body that are responsible for transmitting electrical signals through the nervous system. Different types of neurons affect the ability to move, which begins as an impulse, or ...

Red blood cells are the most common cells in human blood. They contain a protein called hemoglobin, which is responsible for carrying oxygen from your lungs to the rest of your body. The body ...