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The Muscular System
bundle of muscle fibers muscle fiber (cell) myofibril sarcomere Gross Anatomy of Skeletal Muscle
Connective Tissue Sheaths –Endomysium –Perimysium –Epimysium Collagen fibers of all 3 layers come together at each end of muscle to form a tendon or aponeurosis.
Basic Features b b Nerve & blood supply b b Attachments – –Origin – –Insertion
Muscle Fiber Anatomy b b Sarcolemma Sarcoplasm Myoglobin Transverse tubules (T-tubules) b b Myofibrils Myofilaments – –Two types 1. 1.Actin filaments (thin filaments) 2. 2.Myosin filaments (thick filaments)
Sarcomere A band
Sarcomere I bands
Z lines Sarcomere
Actin and Myosin Filaments myosin actin
Myosin (Thick) Filament
Actin (Thin) Filament
axon plasma membrane myofibrils sarcomere
T tubules sarcoplasmic reticulum
Chapter 7 The anatomical system of a species that allows it to move. The muscular system in vertebrates is controlled through the nervous system, although.
Structure and Function of Skeletal Muscle. Skeletal Muscle Human body contains over 400 skeletal muscles 40-50% of total body weight Functions of skeletal.
EX 14. Skeletal Muscle Most numerous Voluntary Striated Gives you shape, allows for facial expressions, movement, and manipulation.
ELAINE N. MARIEB EIGHTH EDITION 6 Copyright © 2006 Pearson Education, Inc., publishing as Benjamin Cummings PowerPoint ® Lecture Slide Presentation by.
Muscular System (Chapters 9 and 10) Function- transforms chemical energy (_____) into _______________energy, so that the muscles are capable of exerting.
Chapter 9 - Muscles and Muscle Tissue $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Skeletal Muscle Anatomy The Sliding Filament Theory Muscle.
Muscle Types Skeletal: striated, voluntary Cardiac: only in heart, striated, involuntary Smooth/Visceral: walls of organs, not striated, involuntary.
Essentials of Human Anatomy & Physiology Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings Slides 6.1 – 6.17 Seventh Edition Elaine.
Chapter # - Chapter Title $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Topic 1Topic 2Topic 3Topic 4 Topic 5 FINAL ROUND.
Muscular System by: Daniel Gable An overview of the muscular system.
The Muscular System. Characteristics of Muscle Tissue Contractility- the ability to shorten and thicken Excitability – ability of muscle tissue to receive.
Muscle Contraction. 1. The brain sends an electrical message down a motor neuron.
Chapter 11 Supplement 2 Muscle Physiology CARDIAC AND SMOOTH MUSCLE TISSUE PowerPoint by John McGill Supplemental Notes by Beth Wyatt.
Copyright © 2010 Pearson Education, Inc. Table 9.3.
The Muscular System Chapter 8. Structure Structure of a Skeletal Muscle Structure Layers of fibrous connective tissue called fascia separate an individual.
Muscles 13.8 Muscles are effectors which enable movement to be carried out.
Types of Muscle, structure and Function. Types of muscle ► 3 General types ► 1) Smooth (visceral) muscle ► Loosely associated fibers ► Peristalsis ► Found.
Muscles and Movement IB Biology State the role of bones, ligaments, muscles, tendons and nerves in human movement.
Sport Books Publisher1 Chapter 3. Sport Books Publisher2 Learning Objectives To describe muscles macro and micro structures To explain the sliding-filament.
NSCA Chapter 1: Structure and Function of the Muscular, Nervous, and Skeletal Systems By: Katie Meredith and Reuben Quero.
Muscles. Types of Muscle 4 Smooth - involuntary 4 Skeletal - voluntary 4 Cardiac - involuntary.
Skeletal, Muscular & Integumentary Systems 1. Skeletal System 2 FUNCTIONS: Supports the body Protects internal organs Provides for movement – levers act.
Muscles Muscle Structure A very high resolution E.M reveals that each myofibril is made up of parallel filaments. There are 2 kinds of filament.
9-1 Muscular System: Histology and Physiology Chapter 9.
Muscle Relaxation -When the nerve impulse stops several things happen… _____gets broken down by the enzyme _________________________ (found at the _____________________.
How do Muscles Work? Muscles serve FOUR functions for us: Muscles serve FOUR functions for us: -- motion; they move us -- motion; they move us -- stability.
THIS IS With Host... Your Muscle Tissue Muscle Naming Move that Body Muscles at Work Muscle Shapes Know your Muscles.
Muscular System. Anatomy of a Muscle Major Functions of the Muscular System Produce Movement Heat production Maintain Posture.
Muscular Tissue Part 2: Support & Movement. Common Traits Proteins Needed: Actin Myosin Four Essential Ions Needed: Calcium Sodium Chloride Potassium.
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