CPDP Column Type 2

sketchfab

The human body is a complex and intricate machine that is capable of performing a wide range of functions. The human brain is responsible for controlling these functions through a network of nerve cells called neurons. Neurons communicate with each other by releasing chemical messengers known as neurotransmitters, which allow them to transmit signals across the body. Each neuron has multiple branches called dendrites, which receive signals from other neurons and pass them on to the cell body. The cell body is the central part of the neuron where the majority of the cell's functions take place. From here, signals are transmitted down long, thin extensions called axons, which carry signals away from the cell. The human nervous system can be divided into two main parts: the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS includes the brain and spinal cord, while the PNS includes nerves that connect the CNS to the rest of the body. These nerves transmit signals between different parts of the body and help control voluntary movements. In addition to its role in controlling movement, the human nervous system also plays a crucial part in processing sensory information. This is done through specialized nerve cells called sensory receptors, which are found throughout the body. Sensory receptors detect changes in temperature, touch, taste, smell, and vision, and send this information back to the brain for interpretation. The human nervous system is incredibly powerful and complex, with billions of neurons working together to control every aspect of our lives. Despite its complexity, however, the nervous system can be affected by a wide range of factors, including injury, disease, and aging.