Essays on Nervous System

The central nervous system is divided into two major parts: the brain and the spinal cord. The brain The brain lies within the skull and is shaped like a mushroom. The brain consists of four principal parts: the brain stem the cerebrum the cerebellum the diminishable There are two types of matter in the brain:…

Introduction Motor unit recruitment is the sequential activation of motor units to perform a certain task. In this lab we examined motor unit recruitment and muscle fatigue by electromyography (EMG) with dynamometry (DYN). When the motor unit in the muscle is activated signals are then generated, which result in muscle contraction. The impulse generated are…

Receives and relays information-Monitors and responds to internal and external changes-Controls and coordinates all body functions sensory: become aware of stimuli: change in environment negative: memory, emotions, conscience, decisions Response: muscles, what did you do?Neuron- (nerve cell) cells that carry messages throughout the nervous systemNerve impulse- electrical signals, coded method from neuronSensory neuron: neuron that…

The nervous system is part of an organism’s body that coordinates the voluntary and involuntary actions which transmits signals between different parts of the human body. The system is responsible for sending, receiving, and interpreting information from all parts of the body. Together with the peripheral nervous system and central nervous system is has a…

Ans.1  The medial upper lobe of lung occupies the upper part of thorax adjacent to the superior mediastinum. (Henry Gray and H.V. Carter, 2006) Ans. 2 The trigeminal nerve provides sensory innervation to the skin of face. So a physician should examine this fifth cranial nerve to test the right side of this lady’s face….

Alzheimer’s is a disease that is associated with the Nervous System. It was discovered by Alois Alzheimer in 1906. It results in loss of memory and cognitive abilities. These cognitive declines disrupt daily life due to their severity. The following with describe the Nervous System and the several aspects of the disease itself. The Nervous…

Anyone who has laid brush to wall knows that a roomful of fresh paint can smell to headache-inducing heights. Vapors aren’t just annoyinga paint-caused dizzy spell can cut your work short. To solve this problem, a slew of new low-odor and low-VOC (volatile organic compound) paints purports to take the stench out of redecorating, and…

Have you ever experienced a feeling pleasure after exercise? That feeling is common and is known as runners high. When you exercise your body releases chemicals called endorphins. Endorphins are feel-good hormones that trigger positive feelings in one’s body. Endorphins are triggered by physical action. Besides exercising there are many other ways to elecit the…

In spring, fatigue and lack of energy are especially often felt. What irritability, exhaustion, and headache may indicate, as well as what neurons eat and what the nervous system loves. The nervous system is a powerful computer that regulates all the processes of our body. The brain occupies only 2% of body weight, and consumes 25%…

The Nervous System The nervous system is comprised of two major regions, the central and peripheral nervous system. The central nervous system is composed of the brain and spinal cord, while the peripheral nervous system is composed of the nerves in the body. The brain is found in the cranial cavity, with the spinal cord…