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Terminology (pg. 167) myo- fasciculus sarco- platys iso- tonossyn- -trophy tetanos caput
Introduction Over 600 muscles Lots of mitochondria and blood vessels45% of body weight is muscles
Functions Locomotion: move skeleton
2. Posture: some muscles are always partially contracted
3. Maintain body temperature by producing heat
4.Respiration and circulation
Guarding entrances and exits (sphincters)
6.Movement along internal passageways (peristalsis)
7.Communication (verbal and body language)
Characteristics 1. Excitability-ability to respond
2.Contractibility-ability to shorten
3.Extensibility-ability to stretch
4.Elasticity-ability to return to previous length
Types-Skeletal striated-appear lined voluntarylots of nuclei in the cell
Smooth Non-striated Involuntary Spindle shaped
Cardiac Striated Involuntary Branched intercolated disks
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Muscular System “The power system” This is what happens without muscles Nearly half our weight comes from muscle tissue. There are 650 different muscles.
The Muscular System Section 3. Types of Muscle Involuntary muscles Voluntary muscles Your body has three types of muscle tissue – skeletal muscle, smooth.
Unit-III Muscular System. Muscular System The muscular system is the anatomical system of a species that allows it to move. The muscular system makes.
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Function of Muscles Produce movement Maintain posture Communication: speak, write, read, etc. Breathing Moving food through digestive tract
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Objectives: 1. Describe the general characteristics and functions of connective tissue 2. Name the major types of muscular tissue and relate each one to.
Skeletal Skeletal – striated, multinucleate, voluntary, Smooth Smooth - found in walls of hollow visceral organs; ex. stomach, bladder, respiratory passages;
MUSCULOSKELETAL SYSTEM Muscles. TYPES Skeletal – forms the muscles attached to the skeleton - move the limbs and other body parts - long striated -
Muscular System Muscle-an organ that contracts and gets shorter- this provides the force to move your body parts.
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