Thyroids

KEY TERMS Key Terms and Concepts The Control of causa 1.

vigors and their movements Categories of muscle Smooth Skeletal or striated Cardiac distinct movements: few muscle fibers innervated by each axon neuromuscular junction Acetylcholine Muscle contr do Antagonistic muscles Flexor extensor muscle Myasthenia gravis Auto tolerant attack on acetylcholine receptors at neuromuscular junctions Progressive flunk and fast fatigue Depletion of acetylcholine by and by several(prenominal) action potentials in rapid succession Treatment Drugs that suppress immune system Drugs that inhibit acetylcholinesterase (enzyme that breaks down acetylcholine) Prolongs action of acety lcholine Fast and sluggish muscles Fish Red, slow, liberal to fatigue Pink, intermediate speed, moderately resistant to fatigue White, fast, forceful, fatigue quickly Birds: discolour and dark muscles manhood and other mammals: mixed fibers in each muscle Fast-twitch fibers Slow-twitch fibers Muscle escort by proprioceptors Stretch unconditioned reflex Muscle ear Stretch receptor parallel to muscle Causes muscle to withdraw: decreases stretch Golgi heftiness organ In tendons at other ends of muscle Inhibits muscle: brake against too prompt muscle contraction Location of body parts Units of movement Voluntary and in unpaid movements Reflexes: consistent automatic responses to stimuli Involuntary Many behaviors: categorization of voluntary and involuntary influences Movements with different esthesia to feedback Ballistic movement: penalise as a whole; cannot be altered after initiated High sensitivity to feedback Threading needle Singing Delayed audile feedback Infant reflexes G! rasp reflex Babinski reflex Rooting reflex Cerebral cortex damage in adults à infant reflexes released from prohibition Allied reflexes: several reflexes elicited together Sequences of behaviors Central anatomy generators Rhythmic movements Frequency of repetition: governed by spinal pile Motor plan: fixed sequence of movements Learned or built in Birds: wing cite when dropped Humans: yawning(a) Categories of movement Spinal aim neuron: final common path Many brain areas make different patterns heading Mechanisms of Movement 1. The role of the cerebral cortex Primary motor cortex:... If you hope to get a full essay, pronounce it on our website: OrderEssay.net

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