Tissue (smooth & nervous tissue).pdf
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This document summarizes different types of muscle and nervous tissues. It describes three types of muscle tissue - skeletal muscle, cardiac muscle, and smooth muscle - and their distinguishing characteristics like voluntary vs involuntary control and cellular structure. Nervous tissue is defined as consisting of neurons and nerve support cells that transmit impulses throughout the body. The document concludes by comparing the regenerative capacities of different tissues, noting that epithelial and fibrous tissues regenerate easily while cardiac muscle and brain/spinal cord tissues are replaced mainly by scar tissue.
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Anatomy unit 5 skeletal and muscular systems muscle types notes
There are three main types of muscle in the human body: skeletal muscle, cardiac muscle, and smooth muscle. Skeletal muscle is voluntary and allows for body mobility and movement, cardiac muscle is found in the heart and controls the heartbeat involuntarily, and smooth muscle provides involuntary movement for internal organs. Muscles have different levels of organization from the whole muscle down to the protein filaments that enable contraction.
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Muscle tissue is composed of cells called myocytes that contract to cause movement. There are three types of muscle tissue: skeletal, cardiac, and smooth. Skeletal muscle is striated, forms 40% of body weight, and is voluntary located in the limbs and trunk. Cardiac muscle is involuntary and pumps blood from the heart. Smooth muscle is involuntary and found within organs and blood vessels.
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There are three types of muscle tissue: smooth muscle which is involuntary and found in blood vessels controlling blood flow and digestion; cardiac muscle which is also involuntary and only found in the heart; and skeletal muscle which is voluntary muscle used for posture, movement, and heat production.
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There are three main types of muscle in the human body: skeletal muscle, cardiac muscle, and smooth muscle. Skeletal muscle is voluntary and allows for body mobility and movement, cardiac muscle is found in the heart and controls the heartbeat involuntarily, and smooth muscle provides involuntary movement for internal organs. Muscles have different levels of organization from the whole muscle down to the protein filaments that enable contraction.
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3 Types of Muscle Tissue
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– Not striated1. Name the four major tissue types and their
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3. Give the chief locations of the muscle and
nervous tissue in the body
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• Skeletal muscle
• Cardiac muscle
– Both striated
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Skeletal muscle is voluntary muscle that is attached to bones and controls movement. It comprises 40-50% of body weight and there are approximately 650 muscles. Skeletal muscle contracts and relaxes in alternating fashion using ATP to generate movement.
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The document discusses the three main types of muscle in the body:
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• Skeletal muscle
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This document provides information about the three main types of muscle tissue: skeletal muscle, cardiac muscle, and smooth muscle. It describes key identifying characteristics such as nuclear arrangement, striations, contraction properties, location in the body, and degree of voluntary control for each type of muscle tissue. The document is in a question and answer format where each question asks "What tissue is this?" followed by descriptions to help identify the tissue type.
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The document discusses the structure and function of muscles in the human body. It covers the three main types of muscles - skeletal, smooth, and cardiac muscles - and their functions. Skeletal muscles are voluntary and allow movement, while smooth muscles are involuntary and work automatically in organs. Cardiac muscle is only found in the heart. The major skeletal muscles and their actions are named. Muscle contraction types and how muscles work in pairs are explained. The roles of tendons and muscle tone are also summarized.
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The muscular system has four key characteristics: excitability, contractility, extensibility, and elasticity. These characteristics allow muscles to perform important functions like movement, maintaining posture, supporting soft tissues, and regulating body temperature. There are three main types of muscle in the body: cardiac, smooth, and skeletal. Skeletal muscle is responsible for all body movements and attaches to bones via tendons. It comprises around 30-35% of total body mass in women and 42-47% in men.
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The document discusses the human body, beginning with cells as the basic building blocks. Tissues are groups of cells that work together, such as epithelial, connective, muscle and nervous tissues. Organs are made of tissues and work together in organ systems like the musculoskeletal system. The musculoskeletal system combines the skeletal system of bones and joints, which provide structure, movement and protection, with the muscular system of muscles and tendons that allow movement. Bones are kept strong through connective tissue and stored minerals.
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Tissue (smooth & nervous tissue).pdf
- 1. Tissue: Muscle & Nervous Tissue GIDEON ROBERT UNIVERSITY ANATOMY AND PHYSIOLOGY NSWANA CHING’AMBU
- 2. Muscle Tissue • Know •Types of muscle tissues and their differences of each other •Composition and functions of nervous tissue •Repair capacity of each tissue
- 3. Muscle Tissue • Function is to produce movement • Three types 1. Skeletal muscle 2. Cardiac muscle 3. Smooth muscle
- 4. Muscle Tissue Types 1. Skeletal muscle • Can be controlled voluntarily • Cells attach to connective tissue • Cells are striated • Cells have more than one nucleus • Get fatigue
- 5. Muscle Tissue Types 2. Cardiac muscle • Found only in the heart • Function is to pump blood (involuntary) • Cells attached to other cardiac muscle cells at intercalated disks • Cells are striated • One nucleus per cell • Do not get fatigue
- 6. Muscle Tissue Types 3. Smooth muscle • Involuntary muscle • Surrounds hollow organs • Attached to other smooth muscle cells • No visible striations • One nucleus per cell • Do not get fatigue
- 7. Nervous Tissue • Consists of neurons and nerve support cells • Function is to send impulses to other areas of the body • Irritability – ability to react to stimulus • Conductivity – ability to conduct information
- 8. Tissue Repair • Regeneration • Replacement of destroyed tissue by the same kind of cells • Fibrosis • Repair by dense fibrous connective tissue (scar tissue) • Determination of method • Type of tissue damaged • Severity of the injury
- 9. Regeneration of Tissues • Tissues that regenerate easily • Epithelial tissue • Fibrous connective tissue and bone • Tissues that regenerate poorly • Skeletal muscle • Tissues that are replaced largely with scar tissue • Cardiac muscle • Nervous tissue within the brain and spinal cord • With old age there is a decrease in mass and viability in most tissues