'Myosin head' diaporamas de présentation

What?! The Final is Comprehensive??

CLICKER REVIEW. What?! The Final is Comprehensive??. INTRODUCTION. What is body plane # 2? Midsaggital plane Frontal plane Coronal Plane Dorsal Plane. Your diaphragm is _____ to your heart. superior deep inferior anterior. Homeostasis means:

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Muscle Tissue

Muscle Tissue. Muscle Tissue Classification. Skeletal Muscle. Cardiac Muscle. Intercalated Disc. Smooth Muscle. Skeletal Muscle. directly or indirectly attached to bones of skeleton. Functions. movement simple-breathing to highly coordinated ones-swimming posture & body position

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Crash Course in AP Test Prep

Crash Course in AP Test Prep. Chapters 47, 48,50, 51 and 52. Chapter 47. Musculoskeletal systems Types of Musculoskeletal systems Creation of Bone Joints Muscle Contraction. Types of Musculoskeletal systems. Hydrostatic Skeletons- use water pressure inside body wall to move

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Muscle Physiology

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Those Myofiloments : How They Move: The Basis of Muscle Contraction

Plus: The Neuromuscular Junction: where it all happens: This IS Muscle Physiology !. Those Myofiloments : How They Move: The Basis of Muscle Contraction. Figure 11.4. The Case of the Shrinking Sarcomere.

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Basic Skeletal Anatomy

Basic Skeletal Anatomy. Skeletal System - Functions. Support & shape to body Protection of internal organs Movement in union with muscles Storage of minerals (calcium, phosphorus) & lipids Blood cell production. INTERACTION OF SKELETAL AND MUSCULAR SYSTEMS:.

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Know these muscles

Know these muscles. Muscle Tissue. Alternating contraction and relaxation of cells Chemical energy changed into mechanical energy. 3 Types of Muscle Tissue. Skeletal muscle attaches to bone, skin or fascia striated with light & dark bands visible with scope

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Chapter 38

Chapter 38. Protection, Support, and Movement. Epithelial coverings for both vertebrates and invertebrates Protect underlying tissues May be specialized for sensory or respiratory functions. Outer epithelium secretions For vertebrates and invertebrates Lubricants or adhesives

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Muscles & Muscle Tissues

Muscles & Muscle Tissues. Muscle Types. Skeletal: striated, voluntary Cardiac: only in heart, striated, involuntary Smooth/Visceral: walls of organs, not striated, involuntary. Functions. Movement Posture maintenance

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Chapter 11 Muscle Tissue

Chapter 11 Muscle Tissue. Muscles can only do two things: contract and ________. Study of muscles = myology. Introduction to Muscle. Movement is a fundamental characteristics of all living things Types of muscle skeletal cardiac Smooth. 5 Characteristics of Muscle. 1. Responsiveness

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The Organization of a Skeletal Muscle

The Organization of a Skeletal Muscle. Figure 7-1. Organization of a Skeletal Muscle Fiber. Figure 7-2a. Organization of a Skeletal Muscle Fiber. Figure 7-2 b-c. Sarcomere Shortening. Figure 7-3. Sarcomere Shortening. Figure 7-3. Structure and Function of the Neuromuscular Junction.

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Anatomy and Physiology

Anatomy and Physiology. Chapter 8. There are three different types of muscles: Smooth muscle tissue has no striations (lines) and is not generally under conscious control. Generates force but acts very slowly. Skeletal muscle tissue has striations and is under conscious control.

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MUSCLES- About this Chapter

MUSCLES- About this Chapter. Skeletal muscle Mechanics of body movement Smooth muscle Cardiac muscle. The Three Types of Muscle. Figure 12-1a. The Three Types of Muscle. Figure 12-1b. The Three Types of Muscle. Figure 12-1c. Skeletal Muscle.

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Muscle Physiology

Muscle Physiology. Dr Taha Sadig Ahmed. RMP = -90 mV ( same as in nerves ) Duration of AP = 1-5 ms ( longer duration than nerve AP , which is usually about 1 ms ) . Conduction velocity (CV) in a muscle fiber ( cell) = 3-5 m/s ( slower than big nerves ). The Muscle Action Potential.

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CONTRACTION OF SKELETLAL MUSCLE: SLIDING FILAMENT THEORY

CONTRACTION OF SKELETLAL MUSCLE: SLIDING FILAMENT THEORY. PROPOSED BY: H.E. HUXLEY & J. HANSEN. Introduction. When a muscle cell contracts, the thin filaments slide past the thick filaments and the sarcomere shortens. Molecules Involved. 1. Myosin - thick protein filament

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Structure of Skeletal Muscle

Structure of Skeletal Muscle. Presentation by: Angela Holloman. Introduction . All activities that involve movement depend on muscles 650 muscles in the human body Various purposes for muscles for: Locomotion Upright posture Balancing on two legs Support of internal organs

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2. Sliding filament theory of muscle contraction

2. Sliding filament theory of muscle contraction Muscular tissue

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Muscles

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Chapter 8:

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