Αποτελέσματα Αναζήτησης
16 Νοε 2023 · How does the nervous system work? Your nervous system uses nerve cells called neurons to send signals, or messages, all over your body. These electrical signals travel among your brain, skin, organs, glands and muscles.
4 Μαΐ 2023 · The nervous system is made up of all the nerve cells in your body. It is through the nervous system that we communicate with the outside world and, at the same time, many mechanisms inside our body are controlled.
3 Νοε 2023 · The nervous system (NS) is structurally broken down into two divisions; Central nervous system (CNS) - consists of the brain and spinal cord; Peripheral nervous system (PNS) - gathers all neural tissue outside the CNS; Functionally, the nervous system can be categorized into three main areas: sensation, integration and response.
13 Φεβ 2017 · The nervous system maintains internal order within the body by coordinating the activities of muscles and organs, receives input from sense organs, trigger reactions, generating learning and understanding, and providing protection from danger.
Controlling the Body. The nervous system can be divided into two parts mostly on the basis of a functional difference in responses. The somatic nervous system (SNS) is responsible for conscious perception and voluntary motor responses. Voluntary motor response means the contraction of skeletal muscle, but those contractions are not always ...
5 Φεβ 2018 · The peripheral nervous system consists of a network of nerves that connects the rest of the body to the CNS. The two systems work together to collect information from inside the body and from...
The nervous system directs our body’s reactions to the world and also controls most of our internal functions, everything from muscle movement and blood vessel dilation to the learning of anatomy and physiology facts. How does it manage all this? By sending lightning-quick signals, electrical and chemical, between cells. 1.