Through this‚ we can delve deeper by understanding how nerves‚ through the actions Of various neurotransmitters affect the motility of the gastrointesital tract. Furthermore‚ we can investigate The effects of drugs‚ and their uses in replicating effects of autonomic neurotransmitters as well as The way certain drugs can interfere with autonomic neurotransmitters and how they interact with Their target tissues. A. RESPONSES TO NERVE STIMULATION Attach a copy of your experimental recordings
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The Muscular System: Contraction of Motor Units 1. Define a motor neuron:_____A single nerve cell that branches from the brain or the spinal cord to a muscle or a gland. 2. Define a motor unit: ___A motor neuron and all of the muscle fibers it stimulates. 3. The synapse between a motor neuron and the muscle it innervates is called a ____neuromuscular junction_______. 4. The stimulation of additional motor units will increase the strength of the contraction. This process is called
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spinal cord‚ and the nerves. The nervous system enables a way for the brain to receive information about someone’s surrounding. Then‚ the brain is able to send signals to various areas of the body‚ so it can respond. Millions and millions of cells called neurons creates the nervous system. “Specialized neurons called receptors are located in the ears and eyes and the other sense organs of the body. The receptors translate events in a person’s surroundings . . . into nerve messages‚ which are known
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time; the reason could be that when you had to hear the sound for the voluntary activation you had to process the sound than process kicking. This would take longer than automatically kicking with the involuntary activation. In the body an impulse nerve signal had to be sent to the object reacting in this case kicking your leg. 2. How does your reaction time to the voluntary action of your quadriceps compare with your reaction time to the simple reaction task in Project 2.2.3? The task in this lab
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The article “The Shaking Women or A History of My Nerves” is an intriguing piece to read as it captures the idea of what it’s like struggling with an unknown disorder. The author‚ Siri Hustvedt‚ provides readers with a vision of her journey through the search of a diagnosis for her mysterious‚ shaking episodes. While on her journey‚ the author provides readers with an insight on various theoretical paradigms‚ historical views of abnormal behaviours and disorders as well as personal experiences living
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Student Exploration: Sight vs. Sound Reactions Vocabulary: histogram‚ mean‚ normal distribution‚ range‚ standard deviation‚ stimulus Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Most professional baseball pitchers can throw a fastball over 145 km/h (90 mph). This gives the batter less than half a second to read the pitch‚ decide whether to swing‚ and then try to hit the ball. No wonder hitting a baseball is considered one of the hardest things to do in sports! 1. What
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axillary arteries had to be reattached. Bicep and tricep muscle tissues and the humorous bone also had to be reattached. 3. What organ system was most likely not reattached? Explain. The nervous system‚ severed nerves cannot be reattached the same way; the severed nerves will not be useful again. 4. Why was a clean bite so important? The bite did not tear much tissue‚ making reattaching the arm possible. 5. Why was the bone shortened? In order to insert the plate‚ they
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this would allow a faster healing time for both the limb and the victim with minimal scarring for the tissue and skin. 4. Shortening of a bone: Shortening of the bone will simplify the repair of the nerves and blood vessels which makes it possible for the single suture of an artery‚ vein‚ and/or nerve as necessary. It also allows for the soft tissue on either side of the bone easier to put together. 5. Movements associated with arm‚ forearm‚ wrist‚ and fingers: a. Shoulder: flexion‚ extension
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June 22‚ 2015 The Tired Swimmer 1. She is experiencing constant fatigue‚ blurred vision‚ eye strain‚ gasping for air‚ hand and finger aches. 2. Blurred vision and eyes strain could have to do with the optic nerve‚ headache‚ soreness and fatigue. 3. In the spinal cord there are nerves that are in charge of these involuntary functions. There is also the medullary rhythmicity centers in the medulla oblongata that adjusts the rate of breathing. These could be possibilities that Annies is having
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No summation 9. Why is it important that summation not occur in heart muscle? Summation would increase the Heart muscle contractions which would lead to heart attack. Activity 2: Vagus Nerve Stimulation 1. Describe the effect of the vagus nerve stimulation on the heartbeat. The vagus nerve stimulation caused the heartbeat to flatline and then restart and react normally 2. Soon after you applied the stimuli‚ did the heart rate increase or decrease? Soon after the stimulation is
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