muscle powerpoint
TRANSCRIPT
Muscular SystemMuscular System
There are about 600 muscles in your body.
There are about 600 muscles in your body.
Muscle ControlMuscle Control
Involuntary Muscle: Not under conscious control.
Heart beat, digestion
Voluntary Muscle: Under your control.
Walking, jumping, etc.
Involuntary Muscle: Not under conscious control.
Heart beat, digestion
Voluntary Muscle: Under your control.
Walking, jumping, etc.
3 Types of Muscle3 Types of Muscle
Skeletal
Smooth
Cardiac
Skeletal
Smooth
Cardiac
Skeletal MuscleSkeletal Muscle
Attached to bones of the skeleton.VoluntaryStriated(lines)
Attached to bones of the skeleton.VoluntaryStriated(lines)
Smooth MuscleSmooth Muscle
Inside many internal organsInvoluntaryNot striated
Inside many internal organsInvoluntaryNot striated
Cardiac MuscleCardiac Muscle
HeartInvoluntaryStriatedDoes not get
tired
HeartInvoluntaryStriatedDoes not get
tired
Muscles at WorkMuscles at Work
Skeletal muscles work in pairs.One muscle contractsThe other lengthens
Skeletal muscles work in pairs.One muscle contractsThe other lengthens
Muscle CellsMuscle Cells
SkinSkin
FunctionsFunctions
Regulates body temperature Stores water and fat The largest organ
sensory organ Prevents water loss Prevents entry of
bacteria
Regulates body temperature Stores water and fat The largest organ
sensory organ Prevents water loss Prevents entry of
bacteria
Layers of SkinLayers of Skin
Epidermis – the thin outer layer of skin that sheds
Dermis – the middle thick layer- contains sweat glands, nerves, and blood vessels
Subcutaneous – the deepest layer that contains fat and helps protect body from injury and conserve heat
Epidermis – the thin outer layer of skin that sheds
Dermis – the middle thick layer- contains sweat glands, nerves, and blood vessels
Subcutaneous – the deepest layer that contains fat and helps protect body from injury and conserve heat
Facts About SkinFacts About Skin
An adult has more than 20 square feet of skin – about the size of a blanket.
You shed about 40 pounds in a lifetime.
Every minutes 30,000 to 40,000 dead skin cells fall from your body.
An adult has more than 20 square feet of skin – about the size of a blanket.
You shed about 40 pounds in a lifetime.
Every minutes 30,000 to 40,000 dead skin cells fall from your body.
Facts About SkinFacts About Skin
In a month time your body has made a new layer of skin
There are over a million dust mites on your mattress and pillow chomping on dead skin cells that fell off you last night.
The eyelid has the thinnest skin, the palms and soles are the thickest.
In a month time your body has made a new layer of skin
There are over a million dust mites on your mattress and pillow chomping on dead skin cells that fell off you last night.
The eyelid has the thinnest skin, the palms and soles are the thickest.
Parts of the SkinParts of the Skin
Muscle, Skin, Bone CellsMuscle, Skin, Bone Cells
Bone Cell
Muscle Cell
Skin Cell
Bone Cell
Muscle Cell
Skin Cell