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MUSCLES. MUSCLES. 1. There are over 600 muscles in the body. 2. All muscles contract (shorten) only 3. There are 3 kinds of muscles. Three Kinds of Muscle. SKELETAL MUSCLES. 1. Connects to bones… causes them to move 2. Also called banded or striated muscle
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MUSCLES 1. There are over 600 muscles in the body. 2. All muscles contract (shorten) only 3. There are 3 kinds of muscles
SKELETAL MUSCLES 1. Connects to bones… causes them to move 2. Also called banded or striated muscle 3. Also called voluntary muscles .. You make them move 4. These muscles react quickly and tire quickly
Movement • When your muscle contracts (shortens) it pulls on the tendon, which pulls on your bone and they move together
The biceps are the flexor • The triceps are the extensor
SMOOTH MUSCLE 1. Does not have bands 2. They contract without you thinking about it 3. Also called involuntary muscle 4. Controls breathing, blood pressure and digestion 5. Reacts slowly and tires slowly
CARDIAC MUSCLE 1. Only found in the heart 2. Muscle fibers form mesh 3. Do not tire out 4. Produce their own signal
Under your control Skeletal Muscle Ex: bicep Not under your control Smooth & cardiac Ex: stomach muscles Voluntary vs. Involuntary Some muscles can be both, like your eye muscles
SKIN Integumentary System Forms a protective covering outside the body