Web23. Which of the following is not an essential component of a reflex arc? Answer: The Brain. Explanation: The reflex arc is a simple nervous pathway and cinsists of a sensory receptor, afferent neuron, center, efferent neuron and effector organ. Answer: The reflex arc consists of 5 components: Web17 de jan. de 2024 · Learning Objectives. The gastric phase is a period in which swallowed food and semi-digested protein ( peptides and amino acids ) activate gastric activity. About two-thirds of gastric secretion occurs during this phase. Ingested food stimulates gastric activity in two ways: by stretching the stomach and by raising the pH of its contents.
Reflex Arc - an overview ScienceDirect Topics
WebShort and Long Reflexes Figure 3. Sensory input can stimulate either a short or a long reflex. A sensory neuron can project to the CNS or to an autonomic ganglion. The short reflex involves the direct stimulation of a postganglionic fiber by the sensory neuron, whereas the long reflex involves integration in the spinal cord or brain. WebFigure 15.8 Short and Long Reflexes Sensory input can stimulate either a short or a long reflex. A sensory neuron can project to the CNS or to an autonomic ganglion. The short reflex involves the direct stimulation of a postganglionic fiber by the sensory neuron, whereas the long reflex involves integration in the spinal cord or brain. how to make a large shirt smaller
Reflex Arc - an overview ScienceDirect Topics
WebReflex arc: Reflex is a neurological mechanism or pathway that controls reflex. Reflex or reflex action refers to the instantaneous response to the stimuli without thinking. In … Web2. Reflection or an image formed by reflection (e.g. corneal reflex). accommodative reflex See reflex accommodation; near reflex. reflex arc See pupil light reflex. blinking reflex Blinking in response to various stimulations such as a light source or a mechanical threat.See retinotectal pathway. cat's eye reflex A whitish, bright reflection observed in … WebReflexes are actions we can't control. Most reflexes protect the body. They are coordinated by nerves that go to and from the spinal cord without the brain's direct involvement. So, never try to control reflex actions, as it can harm the the nerves system, which ultimately harms the brain. ( 2 votes) joyland nc