Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Question
Chapter 39.3, Problem 1TC
Summary Introduction
To determine:
The skin areas that are especially sensitive to touch, and that differ from less sensitive areas.
Introduction:
Skin is the largest organ of the body. It has three layers. Epidermis is the outer layer of the skin that provides “waterproof barrier”. The dermis, present under the epidermis and it contains connective tissue and hair follicles. The deeper layer is made up of fat and connective tissue.
Skin receptors are the small cells known as sensory neurons. When skin comes in contact with something, the sensory neurons receive signals, and these signals travels to the brain.
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Chapter 39 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 39.1 - describe the structure of a typical neuron?Ch. 39.1 - Prob. 2CYLCh. 39.2 - Prob. 1TCCh. 39.2 - Prob. 1CYLCh. 39.2 - explain how an action potential in a presynaptic...Ch. 39.2 - Prob. 3CYLCh. 39.2 - Prob. 1CSCCh. 39.3 - Prob. 1TCCh. 39.3 - Prob. 1CYLCh. 39.3 - Prob. 2CYL
Ch. 39.3 - explain how the brain determines which muscles to...Ch. 39.4 - describe the anatomy of diffuse and centralized...Ch. 39.5 - John comes to the emergency room with neither...Ch. 39.5 - Prob. 1CSCCh. 39.5 - Prob. 2ETCh. 39.5 - At least two commercial companies, No Lie MRI and...Ch. 39.5 - Prob. 1HYEWCh. 39.5 - distinguish between the central and peripheral...Ch. 39.5 - Prob. 2CYLCh. 39.5 - label diagrams of the human brain and spinal cord,...Ch. 39.5 - Prob. 4CYLCh. 39.5 - Prob. 5CYLCh. 39.5 - Prob. 2CTCh. 39.5 - Prob. 1CSRCh. 39 - Prob. 1MCCh. 39 - Neurotransmitters are typically released by a a....Ch. 39 - Automatic bodily functions such as breathing and...Ch. 39 - Prob. 4MCCh. 39 - Prob. 5MCCh. 39 - Prob. 1FIBCh. 39 - Prob. 2FIBCh. 39 - Prob. 3FIBCh. 39 - Prob. 4FIBCh. 39 - Prob. 5FIBCh. 39 - Prob. 6FIBCh. 39 - Prob. 1RQCh. 39 - Prob. 2RQCh. 39 - What are the four elements of a neuronal pathway,...Ch. 39 - Prob. 4RQCh. 39 - Prob. 5RQCh. 39 - Prob. 6RQCh. 39 - Explain the differences between short-term memory...Ch. 39 - Prob. 1ACCh. 39 - Prob. 2AC
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- List the four different general types of skin receptors, and describe the three types of stimuli that can be detected by the skinarrow_forwardMatch the sensory receptor with its stimulus. Detects discriminative touch, located in dermis Detects deep pressure and vibration, located in dermis Detects fine touch, located in epidermis Detects stretch and movement, located in ligaments, dermis, and hypodermis 1. Merkel cells 2. Tactile corpuscles 3. Ruffini endings 4. Lamellated corpusclesarrow_forwardBased on the ORGANIZATION of neurons, why are some areas of skin more sensitive than othersarrow_forward
- What organs gives our body the sense of the touch,protects it, and helps keep it at it keep it at just the right temperature?arrow_forwardExplain how the skin acts as a sense organ.arrow_forwardHow would someone’s sensitivity to touch by their fingertips affect their ability to read Braille?arrow_forward
- Do the skin mechanoreceptors adapt at different rates? Why?arrow_forwardThank you Name the receptors of the skin and their functionarrow_forwardWhen people are tickled, light touch receptors are activated, causing a range of different responses, including squirming or movement away from the stimulus. Match the step in the tickle response homeostasis loop with the correct labelarrow_forward
- The questions are about skin. Please explain your reasoning in an easy-to-understand way and short. Do you think the same receptors sense touch and temperature? Do you think the same receptors sense cold and heat? What would be the advantage of not having as many receptors in some areas of the body? What would be the disadvantage of not having as many receptors in some areas of the body?arrow_forwardThe questions are about skin. Please explain your reasoning in an easy-to-understand way and short. Do the same receptors sense touch and temperature? Do the same receptors sense cold and heat? What would be the advantage of not having as many receptors in some areas of the body? What would be the disadvantage of not having as many receptors in some areas of the body?arrow_forwardWhat reason can you give for the difference in sensitivity between the fingertip and the back of the neck? Why is one area more sensitive than the other?Does the difference in sensitivity between the fingertip and the back of the neck help our bodies to maintain homeostasis? If so, in what way?arrow_forward
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The Integumentary System, Part 1 - Skin Deep: Crash Course Anatomy & Physiology #6; Author: CrashCourse;https://www.youtube.com/watch?v=Orumw-PyNjw;License: Standard youtube license