Messages in the nervous system, transmitted via neurons, can travel at varying speeds depending on the type of nerve fiber. In myelinated fibers, signals can reach speeds of up to 120 meters per second (about 268 miles per hour), while in unmyelinated fibers, speeds are significantly slower, averaging around 1 meter per second. The rapid transmission is crucial for quick reflexes and timely responses to stimuli.
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Fast pain messages travel along the lateral pain system. Slower pain messages travel along the medial pain system.
The endocrine system and the nervous system are the two systems of the body involved in the indirect communication of cells. The endocrine system releases hormones into the bloodstream to target distant cells, while the nervous system uses neurotransmitters to send signals across synapses to adjacent cells.
The messages of the nervous system are relayed by nervous impulses, which are very fast and short-acting. In contrast, the messages of the endocrine system are sent via chemical messengers (hormones) distributed by the circulatory system. This distribution in your blood is much slower than the electrical impulses of the nervous system.
The nervous system is the fast-acting control system.
The nervous system
The NERVOUS SYSTEM. It can send signals along the physical network of specialized tissues. Getting a message from the nervous system is like getting your email through your computer connected to a high speed cable. These messages arrive very fast. The NERVOUS controls your heart rate, breathing and reflexes.--JMAR14--
The nervous system is incredibly fast, with signals traveling at speeds up to 268 miles per hour. The brain contains about 86 billion neurons, and can generate about 23 watts of power when awake. The human body has over 45 miles of nerves that send messages to and from the brain.
Messages in the body are carried primarily through the nervous system and the endocrine system. The nervous system transmits signals through nerve cells, enabling fast communication, while the endocrine system uses hormones released by glands to regulate various bodily functions over longer distances. Both systems work together to maintain homeostasis and coordinate the body's responses to internal and external stimuli.
The NERVOUS SYSTEM. It can send signals along the physical network of specialized tissues. Getting a message from the nervous system is like getting your email through your computer connected to a high speed cable. These messages arrive very fast. The NERVOUS controls your heart rate, breathing and reflexes.--JMAR14--
Federal Automated System for Travel Manager (FAST)
1. They both are communicators of the body. The endocrine is a slow communicator and the nervous system is a fast communicator.